No girl in this world wants to share her man with someone else, no girl wants her man to stare at any girl the way he stares at her, and no girl wants her man obviously to cheat on her.But  how to know if he's cheating or not? how to catch that intelligent liar? as it's better to find out soon then to waste your time crying over someone who was never loyal.Here are few tips from us to you girl to find out if he's a cheater.