Yeah-I don't get the whole justification thing either.
THEY have to be happy, THEY have to do what's right for THEM - regardless if it makes everyone ELSE miserable and require years of therapy to get over it. Hey, at least THEY'RE happy - until they're not.
Just makes you want to slap 'em upside the head with a 2x4 to give them an INKLING of the pain and heartache they're causing everyone else.