He has 2 overs as well... He's getting kinda close to the right odds I think, depending on how loose you'd shove (also, if he can discount sets when you shove - which, given that you shoved 2 pair, he probably can't but he might THINK he can, it's obviously better for him):
Board: 7d 8d 3s
Dead:
equity win tie pots won pots tied
Hand 0: 37.546% 37.55% 00.00% 20444 0.00 { QdJd }
Hand 1: 62.454% 62.45% 00.00% 34006 0.00 { 77+, 33, AdKd, AdTd, Ad9d, Ad6d, Ad5d, Ad4d, Ad3d, Ad2d, KdTd, Td9d, 87s, 6d5d, 6d4d, 5d4d } |