I am confuse, please help.

Hey all,

My buddy and I know each other for five years. As we go backwards the part we know each other for three years is what happen.

Please bear with me of my terrible and poor english skills.

I just want to get to the point;

We as in my guy BFF and I talked about experiencing on each other for months. So one day, he was trying to get me a job and still is trying and we had no luck that day and went to his place to relaxe. We talked about feelings on other people we like and finally I said to him; I dream about you allot as we have sex as I am lying on his bed clothed.
His face lit up and Then he comes on me and kisses me on lying top of me as he is turned on and I am confused at first and giving it another try as I feel odd and off about this, but I still hard and turned on by it, even thou the kisses were strange to me. He unzipped my pants and started fook me as a blowjob then I submitted to him as I unzipped his pants as he played as the dominating one over me as I loved every moment and I am sucking him off and I was so turned on by it and he tastes so good by the way, especially when I gag on him. I am so stiff and hard while doing this.

When I finally cummed by jerking myself as he cummed while I was sucking him off at the sametime, I feel ashamed, guilt, confused and feel unattractive towards him and wish have/haven't done it as the same time. I told myself it's ok and don't freak or feel bad. I still felt terrible what just happen and I don't know why and want to understand why and know it's ok and move on. I want find a way to feel good and proud/happy and I don't have to feel bad this way anymore.

My question is: why do I feel so confuse and I am not attractive to him anymore afterwards I cummed? Like the moment I feel so hot and horny for him goes away and I feel I did something wrong?

Other question, Will this make me I am bi-sexual, homoflexible, or what?

Any educational or someone with experience to answers this question? It is my biggest question ever so far in my life, yet.

Add side notes:
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Women attractive me very much. I have never look at any man for this this way before and only towards my guy bff I felt this way.
He really wants it all from me and I like the idea of it allot, but why I feel it's wrong, bad, dirty in a bad wrongful way and I feel so scared, even though I like it allot. Sometime I get nervous or think...I'll think all of this might be sinful thing to do. But at the sametime I feel and know it's not sinful, what's going on???

Thank you for all your time and answers.