M-EZ Disease
M-EZ Disease is when you're totally into someone, but the second they're into you, you're like, 'meh' and you're a total disappointment to everyone.
'I was dying for him until he asked me out. Now I'm just bored.'
'She was my everything until she said yes. Now she's just my ex.'
'I was obsessed with him until he loved me back. Now I'm just a total disappointment.'