Give them a pacifier

Give them a hug and listen to them. Tell them your there for them and tell them they can talk to you about anything

Sometimes just sitting beside them silently counts. I know it certainly does to me.

A comforting hug and tell them its going to be okay.

Just be there to listen.

Give them a long hug, and let them cry on your shoulder until they are all cried out, and then just listen to whatever they need to say to work through whatever is hurting them.

have them sit down, give them a nice cuppa tea and some tissue, and listen if they need a friend.

You wanna go get ice cream?

Chocolates and elephant jokes usually work.

Snacks

Just say that you're there to listen

Pat them on the head and say “there there”