As most people know, alchohol makes you drunk and you tend to say things you might not mean or wanted to keep in your head. Under influence, you tend to say things either more honestly, or are basically talking nonsense. This could cause fighting among family members. Also, alcohol is not super cheap, either. This could put a strain on the house hold due to llosa fun’s, which could also result in arguments.
When you flex your muscles you are contracting them. When your muscle fibers gain tension through Actin and Myosin crossbridge cycling they may shorten due to the tension. This is called muscle contraction