[Zero Six LE]

My guess is it's a combination of my aggressive driving and shitty 16 year old auto transmission technology. Every time I need to accelerate quickly from a light to get ahead of everyone the truck redlines until I let off the gas, then it shifts into the next gear and just sort of slow crawls until the RPMs get up into the powerband. It's almost as though it needs another gear in between.

Should I be driving it like an old lady?

This ^^