The Self-Help industry makes billions every year. You could fill an entire library with all the self-help books that are published every year—but the vast majority of them will never be able to compete with these titans of the industry.
Good-natured teasing between partners is one thing, but there’s a fine line between playfulness and cruelty. If it's going on in front of other people, it's time to take the situation more seriously, and start settting boundaries.
Some people say Gua Sha can improve blood flow, reduce swelling, and ease pain. However, others are skeptical about its scientific basis and think it's just a passing trend. So which one is it?