Exhausting

Have you guys ever had somebody in your life that just exhausts you? It takes energy and work to keep them happy. I wonder what we are to do? This is especially hard for me cause Im very laid back and go with the wind kind of person. I might throw a small pitty party , but I always end up sucking it up and moving on. Its so hard for me to deal with this kind of personality. But If Im suppose to be a Christian , and Im suppose to talk like Jesus and walk like Jesus , does this mean I shoud make an effort to keep this person in my life, or is it time to let go?