What’s a goal you’re working toward that feels deeply personal to you?

What’s a good way to congratulate a couple on their anniversary if I’m not very close to them?
Why do some people always find something to complain about at restaurants, even if it's a small mistake?
Why will he say he loves me but yet another woman lives with him? He doesn't want me to go, nor does he want her to leave his house.
What is the most expensive gift you have received from someone you met on social media?