Just a quick thought. I’ve read a few posts on how to tell if someone is a “true” friends. Most of these articles cite surface-level trite things like, “they always support you”, etc.
I’ve always thought the mark of a true friend was someone who will tell you the truth, even when they know it’s not what you want to hear. That takes courage and caring about someone–be truthful with them even when it hurts.
“Faithful are the wounds of a friend…”