How Do I Handle Chronic Complaining While Seeking Personal Growth?

Q: Dear Todd, So, do we just avoid and walk away without commenting, do we just nod and show compassion with simple words without true feeling? I need to know how to respond exactly. I live with one chronic complainer currently and can't get away so simply yet. I mean, I could, but only in a situation that I don't feel is a ton better and not without a lot…