On advice…
Don’t try to “fix” people. Don’t give unsolicited advice.
People do not like unsolicited advice,
Do not offer help where it is not requested.
Sometimes you just have to let people live their life and make their mistakes.
"Some people are not meant to be cured...if you step in and interfere fate always takes its revenge on you."
~ Jung ETH Lectures Vol 1.
“Don’t rush to help those who haven’t asked you to because mot everyone who is drowning needs a hand, some want to drown.”
~ Carl Jung
Others’ problems aren’t yours to solve.
If you do, it can be taken as an attack on their agency and/or personal responsibility/accountability.
Yes, it's frustrating, but unless someone is asking me for advice, it is best to just nod and say "I'm sorry. That sounds really difficult for you."
Don’t be a “know it all”.
For example, I personally think it's important to push your own boundaries but trying to push someone else's may be a recipe for disaster.
“The first thing a pretender to philosophy must do is get rid of their presuppositions; a person is not going to undertake to learn anything that they think they already know.”
~ Epictetus, Discourses
“There's some folks, that, if they don't know, you can't tell 'em.”
~ Louis Armstrong
Remember that people find it difficult to think objectively when they’re upset so there’s no point trying to lecture them.