I am a straight female and I am crushing on my female friend?

I think I am attracted to/crushing on my female friend (we are both female).

I am a straight cis gender woman. I have this one girlfriend, also cis gender and straight. I am really attracted to her, she is beautiful and I love her personality. Sometimes I think about kissing her and when she lightly touched me I felt a lot of sexual tension inside me. I never even kissed a woman before, and been in long term relationships with men only. I feel kinda weird feeling like this, but I don’t want to act on it and loose the friendship.

So i don’t really know what to do
I am a straight female and I am crushing on my female friend?
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