to depend on a particular kind of food for living
зависеть от определенного типа пищи для жизни (zavisit' ot opredelennogo tipa pishchi dlya zhizni)
"During college, I mostly lived off instant noodles."
"Во время учебы я в основном жизненно существовал на инстантных лапшах." (Vo vremya ucheby ya v osnovnom **zhiznenno sushchestvoval na** instantnykh lapshakh.)
to think about the future instead of the past
to eliminate something from your diet or routine
to begin doing something with determination
to become or make someone less excited or angry
to love something or someone very much
to get rid of unnecessary things to feel mentally refreshed