i had sex with my best friend

Roze
So i have been daiting thus guy and we had sex many 4 times and what happens was that me and my best friend always have sleepovers and so what happens was that I was at his prance and he only has one bed (a bed big enough for two) and this was normal for us to sleep beside each other but this time it felt wired but I just didn't care really . So it was time to sleep and we both went in bed and none off us turns of the lights . So he went turns off the lights and came back to bed . So he wanted to hug me goodnight and are lips meet and we both were in suprise but we continued kissing!!! And one thing to a nother I went home the next day after hooking up with my best friend !:( what should I do I meen I known the guy for 6 years and I love him as a brother ..... or many my heart is saying something more but I dont know ?!!! Help me