Am i a lesbian?

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At this point I'm not even sure about my sexual orientation anymore.
>be me
>moved to another city
>made friends with some sound people.
>dated around a lot. Most of the time was me interested in men
>was surrounded by a group of lesbian back then when i was still in college.
>met another girl in university. Got along really well. We hang out a lot before,most of the time was only two of us
>disconnected
>one day she brings a guy to my shop just to show me the guy she's seeing and ask for my thoughts. Like if he's good or bad or anything
>disconnected again since i think she is in a relationship I don't want to bother her
>quite awhile now
>she posted something on Facebook today and I commented on it. We talk again
>turned out she broke up with him shortly after that day
>make plan to hangout together
>went out Friday night for few drinks and chatting
>accidentally hold my hands,touch my elbow or my arm,jokingly hugging me etc
>I straight up and asked her if she ever think about dating a girl since i did some time before in college
>she said she's not sure but she always wanted to protect the girl something
>move on to another story
>walk me to the bus stop
>hug me really tight before i get on the bus
>wait until I sit down to say goodbye again
>texted her after i came home then say goodnight
>my roommate asked me if i went on a date cause I looked so happy
>say hell no
>but I actually am happy.
>fyi it was like this before every time we hang out.

Should I paranoid about it? Is it normal between two girls? Cause for me it's not at all. Never have i had this kind of girl-friends relations before.