Was on Liotta's Character's Side until I realized how he was wrong...
How can you not have sex with your young wife for a year and then be so shocked when she has impromptu sex (as opposed to an ongoing affair) with an old friend? I bet part of the reason he doesn't harm Tobey's character physically or through his family is because he felt some guilt over being a bad husband - and he WAS a bad husband.
PLOT HOLE: Aspect of a film that is misunderstood, ignored, or missed while using your smart phone.