In a religious context, sin is an act of transgression against divine law. In Islamic ethics, Muslims see sin as anything that goes against the commands of Allah (God).
It is wrong for your wife to pry into your past sins, and if it has nothing to do with your current life or has no involvement with your marriage, it is haram for you to disclose it to others. We are not allowed to expose our previous sins to others, or confess to anyone about the past, especially if we have repented.
She should refrain from asking you about it, and you do not need to lie. You just refuse to give any information about it.
With prayers for your success
Knowledge precedes everything, especially if it is Ilahi knowledge, studying about your religion and learning the 'Ulum of Ahlul Bayt (a.s.).
Studying Hawzah is free of charge, and if for whatever reason a certain institute that offers Hawzah studies charge a fee, they are usually a bare minimum which any person would generally be able to pay.
Should your plan be to travel to Qom or Najaf to study Hawzah, you will only need to pay for the air ticket, and basic expenses to establish yourself there. The Hawzah will then give you some monthly wages.
This could eat into your budget you have allocated for marriage, but if you have become acquainted with Islam, you will know that the process of getting married should also be cheap and reasonable. By avoiding excessive things, you will also be able to get happily married.
Therefore, I do not see any of the two to be an obstacle, or affect the other, as long as you are making the correct choices. You do not have to choose one over the other, but rather pursue both at once.
With your tawakkul on Allah ta'ala, and sincere intentions, and dua, you will successfully accomplish both, in shaa Allah.
With prayers for your success.
It is not enough to just phone your parents but you must visit them and serve them in every possible way. Their sins are between them and Allah and do not change your responsibilities towards them even if they are non Muslims.
After being sure that all your obligatory fasting days are done, it recommended to fast on every Monday and every Thursday, or first Thursday and last Thursday and Middle Wednesday in every lunar month.
The best answer is from Allah in Quran : Say O My servants who have transgressed against themselves ( by committing evil deeds and sins) Despair not of the Mercy of Allah. Verily Allah forgives all sins. Truly He is The Oft-forgiving , The Most Merciful) Sura 39, Verse 53.
The Mercy of Allah (SWT) is much greater than our imagination. It includes every thing (My Mercy embraces everything) Sura 7, Verse 156. Special mercy is for sincere servants servants of Allah who left wrong deeds and repented and sincerely decided not to do it again. Allah Love those who repent and purify themselves. Sura 2, Verse 222.
We need to trust The Mercy of Allah and hope to receive His Oft-Forgiveness. He Has Promised every one who repents and sincerely seeks forgiveness to Grant him His Forgiveness.
'It is good to repeat (YA ARHAM ARRAHIMEEN) also to repeat (YA GHAFOUR YA RAHEEM).
Deliberate skipping Salah is a major sin but does not mean disbelieving in Islam (Kufr) as far as the person believes that Salah is obligatory.
Those who deny Salah and don't believe that it is obligatory are considered as disbeliever.
Some Muslim sects like Wahabis claim that skipping Salah makes the person a Kafir right away.
You are not allowed to pray for your death. Death will come when it comes.
Pray instead that Allah helps you to stop the sins or shows you a way to end them (for instance, if someone has an addiction, this could be an intervention that actually works), forgives the sins, and heals any harm to yourself or others they may have caused. If it is possible to make adjustments to your life to reduce or avoid the sins (such as moving to a different place or household), also do that.
Allah is all-powerful and things that seem like miracles happen!
Offering Qadha prayer does not omit the sin of deliberately ignoring to perform the prayer on its time. That sin needs real repentance and sincerely seeking forgiveness.
Repeated doubts in worship acts like Wudu, Ghusl, Namaz etc should ignored.
It is always good to seek forgiveness even if you are not sure about the sin. The Prophet (SAWA) used to repeat Istighfaar despite the fact the he was the greatest Infallible. Istighfaar by itself has lot of benefits in our life here and hereafter.
Thank you for your question. One of the conditions for amr bi al-ma'ruf and nahy an al-mukar is that it should have an effect. So if you are sure certain actions will not have an effect the conditions to carry out that action have not been fulfilled.
May you always be successful
It is good to be a scholar, and it is good to be a doctor. Society needs people do to all the different jobs, or else it wouldn't function. Ideally, it is good for you to do the job that you are most talented at and most committed to.
It is narrated that the Prophet (S) said: ‘Knowledge is of two categories:
knowledge of religions and knowledge of the physical body.’ So this narration celebrates and values both kinds of knowledge (religious and medical).
(Of course there are other important jobs and fields of study as well!)
As you know, there are many narrations from the Prophet (S) and Ahl al-Bayt (A) about various medical ailments, so it was clearly a subject that was important to them. So inshallah you are also following in their footsteps by being a doctor.
You must be sure that the person is really a malicious and there is risk on your friend from him. You can then hint to your friend to be careful before dealing with people.