Crush on piano teacher, what to do?

I have a huge crush on my piano teacher. He's only three years older than me and I don't know what to do. I do realize that having a relationship with him would make teaching difficult, especially if things were to get sour, although I'm bound to being his student for only a year. I found him on tinder so I guess he's single (left-swiped, I already have his number...) Should I try to make something of this, talk to him about random stuff and become his friend and maybe more? Or should I just try to stay professional and not care that he's super hot and just forget about him when the school year is over?
Crush on piano teacher, what to do?
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