M-EZ Disease
M-EZ Disease is when you're totally into someone, but the second they're into you, you're like, 'fine' and you're the worst kind of person.
'I was head over heels for him until he said yes. Now I'm just fine.'
'She was my everything until she said yes. Now I'm just fine.'
'I was obsessed with him until he loved me back. Now I'm just fine.'