Deliver a concrete, useful piece of advice. It cannot be vague. "Wear sunscreen" is boring. "The reason your foundation separates is because you aren't waiting two minutes after your moisturizer" is specific. Or, for finance: "Never lend money you aren't willing to lose—learned that when I lent my sister $500 for a chihuahua sweater."
Attention spans are short. You cannot start a lesson with "Open your books to page 10." You need a hook. 2 hot blondes the lesson link
Discovering hidden gems and "slow travel" experiences. Deliver a concrete, useful piece of advice