On a recent plane trip home, I queued up my Netflix download of Chris Rock’s most recent comedy special, Tambourine. If you know anything about Chris Rock, he is one of the most prolific comedians and is always direct, candid, shockingly honest and funny at the same time. I was prepared to laugh, but what surprised me about Chris’s comedy set was his high level of introspection about his relationship with his now ex-wife who he recently divorced. The relationship advice he offered reminded me that if you look at couples in long-lasting relationships, they generally share these similar traits....