How to forget my crush?

So I have a crush since a year on some guy. It's been like month since the last time we saw each other (he lives in a different city now); since then we talked briefly from time to time and eveytime It's kinda me who initiate the talk.

How can I forget him and take him off my mind :(

Updates
1 y
so for an update this past week my crush started talking to me and asking me how I'm doing and sharing stuff with me :o
How to forget my crush?
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