You appear to be under tremendous stress and your system is unable to cope with the current situation.
This stress reaction is making you annoyed, angry and sensitive all the time.
Nothing is wrong with you, this can happen to anyone. You just need to do the right things to get back on track. Your family is right. Listen to them
Next Steps
contact a Psychiatrist and work with him/her to understand the problem and take appropriate treatment.
Health Tips
do not take big life decisions in your current mood state.