You know, usually the ones braggin around how normal life they have, and how geek others are, do it just to resuscitate their dying self-esteem ;) "Normal" people don't give a shit about other's no-life syndrome.
Dude. Be serious. You ARE posting on wonderland forum. You PLAY this girly-girly-cute game. Excusing yourself how "normal" life you have is just a weak smoke-screen you're using to try to put yourself in superior position.
So just cut the crap. End of topic.
Having a signature is like keeping a gremlin.
Just don't overfeed it, don't make it wishy-washy and you'll be a good responsible Signature Keeper :]