Sexual activity, including specifically sexual intercourse.
Though I'd only recommend an increase of handywork and skill, Out of the options above, i'd choose to use dull knives.
Answer:
The easiest method toward gaining weight is simply by overeating!
Explanation:
Overeating is a strategic method towards body-weight gaining, as well as personal obesity.
Answer: Ligaments
Explanation: Lean body mass is simply everything that's is not fat. This includes your bones, organs, muscles, ligaments, tendons and fluids. So the answer to your question is Ligaments.