Not In Love Anymore But I Don't Want To Break His Heart.

I can't find the courage to leave my boyfriend. We have been together for 5 yrs and I just don't see me marrying him or moving on together. He just isn't the man I thought he would be and he wont change for me. Im sad but I wanna be with someone who wants the things I want. Break ups are hard to go through but I can't keep doing this to myself. I also don't want to keep him away from someone who would love him more then I do. I want to be happy again. 😔