I have a 20-year crush on Jessie from Pokemon
Why do you have a crush on an anime character?
I'm in love with her.
It is a bit odd to have a crush on a fictional character.  You should talk to a therapist.
I love Jessie and she is the one, I masturbate to her all the time and want her.
She is not a real person. You should not have a crush on a fictional character, there is nothing you can do about it and you can't be with her.