You can approach your friend with kindness and concern by saying something like:
"Hey [Friend's Name], I've noticed you've seemed a bit low energy lately, and I just wanted to check in on you. If there’s anything bothering you or if you’re going through a rough patch, I’m here to listen. You don’t have to share if you don’t want to, but I care about you and want to make sure you’re okay."
This way, you express your concern while