I've previously had a caffeine addiction and didn't particularly enjoy it. So I make it a point to not have it daily. I'd say I usually have 1 small caffeinated soda with alcohol per week and a regular 8.4 oz Red Bull at some point during the week. So probably in total a little under 200 mg per week

The nice thing is that since I don't consume much caffeine if I do want a kick I can have 120 mg and really feel it, but that's usually reserved for particularly long days or days where my sleep gets messed up