I Don't Think I Can Trust Him Anymore?

Last friday, I went to our last school dance for eight grade before we go to high school. One of my friends who I've veiwed as such a sweet innocent (neglect the fact he's goth, he is/used to be one of the most caring guys i'd known and thought i could/did trust) but non the less a really sweet guy. But when i was at the dance all my friends and i were running around like manaics, and he decided to shove flowers down my bra >t of the night i was left trying not to run straight to the bathroom and bawl my eyes out, the thing that did it was, when we had to go... i was getting pretty tired of hugging him but it was to say goodbye, when we hugged he kinda -cries- groped me