Is it creepy to keep a picture of your crush on your phone?

I have a pretty bad crush on a friend. Unfortunately it doesn't seem to be going anywhere

I like to keep a picture of her as the wallpaper on my phone but I feel a bit guilty about it. It's not an indecent photo or anything - just head and shoulders portrait type stuff.

Is it creepy or am I just being over sensitive ?
Is it creepy to keep a picture of your crush on your phone?
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