Savescumming, particularly in RP Gs
or the rare FPS that I play. I have a horrible habit of reloading in Deus Ex
if I think I can kill a guy with one less bullet, or in Baldur's Gate
if I can use one less arrow.
Rolling around in Zelda.
Hammering the action button in any RPG with an ATB gauge.
Refreshing my unit queue of my unit of choice in any Command & Conquer
series game to the highest allowable, even if I've only built one or two since I last did it (99 Venoms, 5 Heavy Tanks, 30 Grenadiers, etc).
Checking my experience point total after every battle.
My name is Addy. Please call me that instead of my username.