Listen without rushing to fix things, ask what would help, and offer one...

https://blogfreely.net/gertonmhvf/how-do-i-support-someone-who-is-starting-treatment-but-still-angry-at-me

Listen without rushing to fix things, ask what would help, and offer one practical step, like a ride to an appointment. You might say, “I’m here, and we can take this one step at a time.” Respect your limits too