I just don't think I'm good enough for him, maybe I think he'll find someone better? Because trust really isn't an issue here, I know he wouldn't do anything.
Not good enough is always an issue of low self esteem. Imagine if everyone thought like you, then everyone would never see the end of finding someone better, because there is always someone better. We'd be changing partners like they were underwear Think highly of yourself and have faith, but that doesn't mean to stick your head above the clouds either.
He who laughs last, thinks the slowest