Kind is not being a doormat; kind is doing what will benefit everyone in the long run. Letting yourself be taken advantage of is cruel to yourself, and of quest

Kind is not being a doormat; kind is doing what will benefit everyone in the long run. Letting yourself be taken advantage of is cruel to yourself, and of questionable long-term value to anyone who would see fit to take advantage of someone else. The kindest thing to do is offer help when it appears to be most valuable, taking your own well-being into account as well as that of others.