How do I lose my memory, safely?

To much happend in one day, relationship was broken, it was horrible, i still cant forget about it, and it has been months already since this happen, i was fine but after 3 weeks i really not, i have depression and alot alot of anxiety like crazy, i keep thinking of one person and that one day.. all i want to do is forget just one day and move on with my life, please what can i do? pills or anything?