IL-2 freinds are the best because
 

they have not asked to borrow money
when they leave the party and have drank too much you dont have to worry about them getting busted.
you dont have to clean up after them
when your gone you dont have to worry about them bedding your wife girlfreind or daughter
if they get mad and take their plane and go home you can still play

Because when you get aggravated by a an idiot they don't drag you away with "it's not worth it", they help you riddle his arse with large caliber ordinance

Because they don't take being shot accidently personal

Because they are a great bunch of lads (and lady!) with shared obsession in combat aircraft

because they dont punch you when you prove they are not that good

.....and we will need each other when ours WAGs (wives and girlfriends) either divorce us, kick us out or nag us into submission......