You have to proceed! Ppls go train your first aid!
Cooking.... let me tell you none of my charcs have cooking

I'm too lazy
I just pay someone for food 
As a rogue you either take herbing (Regeants for your blind etc)
and alchemy
Or to make your own armor you take skinnning and
leatherworking
Or you can take skinning and leatherworking then later drop
skinning for herbing