Start by listening without rushing to fix things, then ask what kind of help...

https://sophiasmasterblogs.timeforchangecounselling.com/how-do-i-support-someone-who-is-starting-treatment-but-still-angry-at-me

Start by listening without rushing to fix things, then ask what kind of help would feel useful. You might say, “Would it help if I sat with you while you make that call?” Offer one practical step, like helping find an appointment or sharing a meal