ANSWER:

If one doesn’t feel regret or remorse, his repentance is not accepted. 

How to ask forgiveness sincerely with so much regret that they committed a sin..? if they dont feel sadness or regret that they committed such and such but they want to feel sadness and regret that they committed such and such a sin and they want to ask forgiveness from ALLAH very sincerely with so much regret and sadness for what they did..how can they do this?

Sins |