I would engage in activities we both enjoyed with them. Just because someone is a really good friend doesn't mean we are joined at the hip and have to do everything together.
I don't do them. They do what they like, I do what I like and we join in doing things we both like. Otherwise it is torture for no reason.
On the other hand, if someone needs me to do a task or go someplace I don't wish to, but it supports some need they have? I would do it. That is what friends are for.