Why?

Why is it that when you catch an attitude because a guy does some inappropriate shit in public your being a bitch? Friday I gave Alberto a hug and Marc got jealous and asked for a hug too. I gave him one because I still consider him a friend. Marc decided to grow great big balls and start grabbing on me like we wasn't in the middle of a crowded hallway. I have no idea what went through his mind. I caught an attitude quick and I was about to slap him but he apoligized I can understand the jealous but we aren't going out and even if we were that would cause an uproar of unneccessary rumors that I don't need. Guys please understand this showing u care by being jealous is different from getting jealous and being an asshole.