paige

i was seein this lad called rob he is 19 n im 17. ive liked him for years and then we got together but not seeing eachother just meetin n that but we ws to gether all the time. we was like that for 19weeks until i go on holiday for a weekend and cum back and people tell me he has a girl friend. i didnt believe it and i asked him and he sed no he hasnt n i askd her and she sed no. so later that day i was texting him and i sed tell me the truth and he rote i wernt seeing her i just shagged her all weekend but now i am seeing her. since then all he has done is hate me bcoz i torturise her coz she was 1 ov me good mates. like in work i poured orange all over her. he thinks i am descrase ful and hates me but as soon as i got back from my hol he was tellin me he missed me and loved me :S 5 mins later i found out he was wid her. what do you think i should do?