try for back to my old life

you have made change my life . you have made me forget all my problems . you have made me laugh. and all because of you . more than 1 month I with you, I feel happier but why it's just for a while? I want it will be forever but It can't . i can't forced you to make it forever . i don't know what i must to do for make it back. so I must back to my old life without you . I need more time to try for back to my old life.