Welcome to Blockland.
First of all; if Badspot calls you a "loving idiot." Take it as a compliment. He tends to act that way.
Don't say you're leaving/commiting Self Delete. Just do it. (Rule 3 I belive)
Don't build with 1 x 1 x 5's. Well, you can, in very small amounts.
Just avoid building houses out of it.
Again, Welcome.
EDIT: Don't go to Super Puppy's server. He takes religion way too far. (No offence to you or anyone religious...)