You really work out hard 
My character's favorite : item to buy
is : chocolate
Add something imaginative to refine it:: from the grocery store

Dark chocolate Bunnies are a good reward after a heavy metal work out haha 
My character's favorite : item recently bought
is : protein
Add something imaginative to refine it:: to build muscle

Proteins are good but one also need carbohydrates and fat in order to have a balanced nutrition and more you who works out listening to heavy metal Sevenfold 
My character's favorite : song
is : save me
Add something imaginative to refine it:: on rainy days

Save me is the right song to listen when is raining and more if an storm is hittng so in order to add something have a hot chocolate and watch a nice movie 
My character's favorite : item to buy
is : coffee
Add something imaginative to refine it:: only from starbucks

You have a lot of energy, with chocolate coffee heavy metal, I would suggest a soy latte decaf 
My character's favorite : item to buy
is : energy drinks
Add something imaginative to refine it:: after coffee

you are an Olympic of the energy good job!! red bull is the classic 
My character's favorite : item recently bought
is : red bull coconut
Add something imaginative to refine it:: its the only good flavor

In case you don't find it I mean coconut you can buy it original and add coconut water that will give you a boost 
My character's favorite : music band
is : blink 182
Add something imaginative to refine it:: live in concert