telling him is really up to you... i'm like 99.9999% positive his view of you isn't gonna change if you tell him... i mean it's not like you're teling him you seduced your step-dad, while yal were still together or something..... you're already who you are and he's obviously in love, what makes you think something that 'minimal' (minimal as in effecting this relationship not saying the abuse it's self is minimal, just had to make that clear) would make him change his mind of you?