"So why do I want him to be unhappy?"

Schadenfreude (delight in another person's misfortune)
It's a normal emotion.
Don't worry about it, don't get obsessed with it.

Me 53 XW 50
M 18 Years +2
S14 D19
Bomb 10-24-10
Served 1-27-11
Mediate 4-21-11
Civil D Final 6-2-11
No church anullment
"A man is not finished when he is defeated, he is finished when he quits."