10 Ways to Tell if Someone is Cheating on You

Getting wild in the sack

If he was a former missionary man and is keen on trying different things, watch out. Yes, he might have been reading a book on "101 ways to please your wife," but he also might have picked up a few tricks from his new mistress that he wants to sample on you. When his sexy time interests start to vary, it could very well be because things are heating up somewhere else.