I have a crush on an upperclassman?

Hello! For starters, thank you for taking the time to read this, I'll keep it short and sweet.

I am a competitive swimmer (freshman) and there is this junior that I occasionally get rides to practice with. I got out of a really bad relationship a few month ago (boy ended up getting expelled for attempting to assault another girl afterwards) and really do not want a relationship. This boy is super sweet and is willing to drive me to practice even on short notice. He generally starts the conversations and sometimes (maybe I'm being overzealous) appears a bit nervous at times (fidgets with cords and whatnot). For some reason, I've started to have a bit of a crush on him. I really don't think it's a great idea for me to do that, but I was wondering what I should do. Thank you so much for reading this!!!
Updates
+1 y
I'm asking what I should do, and no I cannot get a different ride (only person that lives near and parents work, I do not have a license)
I have a crush on an upperclassman?
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