I still have acne all over my back at 27 although it is much better than it was at 20. Of course the less i shower/change sheets, the worse it gets. I'd suggest trying to go without makeup, it does make it a lot worse, even without it, i usually wash my face 2-3 times a day, whenever it feels oily. i don't think foundation makes it look much better anyway. Getting rid of most of my face acne helped me a lot in accepting myself, to help that along, the best you can do is wash your hair/face/pillowcase regularly.
checking hormone levels may also help as suggested >>54498
, i never did it in the end but it is very obvious that there is a link between acne and hormones
Apart from that, I can offer this quote i've read a few days ago:
"Take the fate of the sick—especially those who are incurable. I once read a letter written by a young invalid, in which he told a friend that he had just found out he would not live for long, that even an operation would be of no help. He wrote further that he remembered a film he had seen in which a man was portrayed who waited for death in a courageous and dignified way. The boy had thought it a great accomplishment to meet death so well. Now—he wrote—fate was offering him a similar chance."