If your Grandfathered i would faction change regardless if you have the means. Pretty sure you can open a ticket and get a free faction change back if you cry you miss your friends, once every 28 days.
Mental retardation / depression, can tell by the way he victimised himself then that post spam of shit which he will feel stupid for later. Source is experience
I like the lifesteal one, also theres a heal one when you heal which seems ok/
Edit: I should add i havent tested any of them, just by the sounds of things.