Infatuation is not love. Looks like it, feels like it, but it isn't love. A person who's infatuated isn't qualified to make that statement. Not that it stops them or stops them from believing it. It's just good to know.
Infatuation moves into the stage of disillusionment.
They wonder what they saw in the new one in the first place. Quit picturing things that hurt. Have three things you love to think about and three things you love to do in mind and handy at all times. The first few times will be a little difficult, after that it's easier. Finally, last but not least ask yourself these hard questions.