He gained a sense of purpose and adventure (e.g., slaying the windmills). He lost touch with reality in return. And maybe he also gained a friend in Pancho.
normally you may gain/lose 2 pounds throughout the day.
butler
No it can not go through your skin but can get soaked up. It can yes. Your epidermis has keratin which reduces the lose or gain of fluid through your skin. Depending on you external environment fluid lose or gain may vary.
Lose
No. Atoms can gain and lose electrons but seldom gain or lose protons.
a closed system will not gain or lose mass
It doesn't lose or gain
They gain or lose electrons, while the atoms combine.
Neither lose nor gain.
You lose water through urine, feces and perspiration (sweating). You gain water by eating, drinking and metabolic generation.
gain
gain 2