Ok, Ive been seeing this lass since last satday, weve been going out since monday now. Last saturday, were at a party, sitting on leather couch in the club, eating each others face off. This lad is there; me and him are sort of mates, by this i mean we say orite and have small convos now and again. Hes just split up from some long term relationship and seemed to be on the pull.
I go for a pis$, upon re-entering the room hes sittin down next to me lasso, fair dos she gets up n sits on me knee next to him. They got talking and she and my other mates bird (were best mates and theyve been going out since december) take this

Next day he adds her on myspace, and has her mobile number, me and her go to the cinema on the monday and were a couple since then. He also adds my mates bird and chats to both of em thru myspace.
Last night it was arranged that me and her, and my mate and his bird, along with another couple, are going to a bar then a night club. However we left most th organising to the girls and they invite the lad aswell; this makes 3 couples and one single lad.
That night, at different points, he has my bird and also my mates sitting on his knee at diff times, not touching em on the leg or owt, just on his knee and talking about some emo band drivel etc.
By this point ive had enough; texting her/sitting on his knee/ coming along with 3 couples, it all seems like hes tagging along too much. So in the club i ask him for a word (it later transpires that my bird was concerned i felt threatened by him or such)
Me him and me mate have a short chat, i tell him i was annoyed that he seemed to be after her or my mates girl. He says he wouldnt do that, theyre all just "friends" and anyway "mates come before girls" which seems like bolloc*s since we are hardly what youd class mates.
Also, amongst his chatter he used the phrase "you got there first" - this concerns as it sounds like he was gonna make a move, despite the fact ive been after her since october and he has known her the last 6 days.
She was also wearing his tie (yes people, a skull tie with red shirt, fuc*ing scenester cun*) and my necklace.
Night ends with him snogging some other bird, and me walking me bird to the taxi rank/kiss good night etc.
So, should I be worried? Also, when is the time right to take action and what should be done? Hit the cun*? More words with him ? words with her?
Also will i appear a control freak if i take action too soon etc?
Help please, this is seriously grating on me.
