I'm sorry to hear that. Sounds stressful! I really hope that with time and practice you'll get to a point where you can feel your emotions in a more timely manner.
If you have trouble experiencing your emotions in general, it would be worth checking out what causes this blockade. I've struggled with feeling anything for quite a while and only when I addressed the underlying issues did my emotional side slowly get back to normal.
As for the remorse, this might help you overcome the negative emotions that build up:
https://medium.com/the-authentic-man/how-to-overcome-negative-emotions-with-a-counterintuitive-approach-8b5bc6fc996
All the best to you!