im so sorry to hear about your wife,my husband has bladder cancer and it took its toll on me ,from worrying to fear to anger you name i felt it ,i felt like i was gonna loose my mind i was tired and had little energy to take care of everyday life things did it but it was hard ,what i found worked for me was al-anon not aa where you can just sit i know its for adults of alcoholic parents or partners but it just worked i could just chill for a hour once a week and it helped me get through the week and it took to edge of of my anger and anxiety what a diffrence it has made thearapy did not help me cause they seem to always wanna push meds to get you through ,i dont feel meds will help cause you cant stay on them forever and the problems are always still there where al-anon you just hang and talk if you want or you dont have to no pressure hope this helps its what worked for me figured i would share .