You have mentioned multiple things, weight, marriage, physical ailments and prior to marriage your physical check up. At this point it could be because of all the things you mentioned or because of specific reason which is not clear from your message. Can you describe your problem in detail? Stress is something that is both ways so because of being overweight and BP issues your body could be in stress on the other hand your issues in marriage could be leading to mental stress that is affecting your body too.
Next Steps
get a complete health check done to assess if there are any physical cause.
secondly consult a Psychologist/counsellor to discuss your marital issues. you could ping us here also for online Counseling or anybody close to your area.
Health Tips
take a step back and assess your lifestyle: eating habits, sleep patterns, binging, physical exercise etc...
if you are not working then taking up a job or volunteering for some work always helps to change perspectives, builds self confidence and develops self esteem.
do lot of walks/ and regular exercise to be healthy don't diet to loose weight.
marital issues are best solved by talking about it so talk with your spouse or go to a marriage counselor. focus on resolution and we are there for help.