Feeling guilty about situation! Should I?

funny because I messed around with this guy at my college.He happens to be my sorority sister best friend and his sister is also my sorority sister.I asked him advance if anything romantic was going on between him and his friend, he said no,,and he liked me and was very attractive.Well I guess you can say I didn;t handle the situation to good.We ended up sleeping togehter a few times.I called him up one day asking him for my earings I left as his house, and he told me not to call him anymore, and if i did he would put my business out in the street if I contacted him again.I'm dumbfounded because he hadn't gave me any signs.Actually I asked him if it was okay for me call him again, And so I asked him could we talk it out because he seemed so mad., but he was like no.So the next day, I get a call from his 'best friend" inviting me to an event he was hosting, and so now none of my almost sorority sister's don't speak to me anymore, neither does he.I'm thinking did I do something wro

Additional Details

15 minutes ago
I know I shouldn;t have slept with him, it doesnt make me look good, I guess, but it had been a year, since I had sex, and you can say he was there at the right time,...but I feel so bad, I think they probably see me as a ****...but I'mmreally not

14 minutes ago
Just to add a few details...but not only that I heard that him and his best friend felll out over the situation.And it was crazy because my almost sorority sister, sat behind me during graduation and never even said hello, how are you,...and his frat brother was staring at me the entire time, and I don't even know him...

What's crazy is the fact that I know of one of the sorority sister's sleeping with frat brother's of the same chapter, there was even a situation where her best friend slept with her boyfriend, and everybody is cool with her, the guy I messed with even told me he slept with a few of the girls that are in the sorority. Not to mention, there was another girl he messed around with that slept with his ebst friend, and he;s still cool with her, so I don't get why eveyone so hard on me, about me having a sexual relationship with him..I just don't get it..

Well, you should not feel bad about anything that happened between the two of you because he lied about being in a relationship with your sorority sister so that is not you fault (unless you did know). Secondly, he used you and if your "sisters" cant see that then you dont need him or them. Dont continue to call him, just move on, it may be hard but you can do it.

i guess ur easy to get mad at. go to the event and ignore the dude. he's a loser.

your not a ***** its the guys fault and if none of ur friends can belive tat then there not really ur friends.

good luck and plz choose tis as best answer!