Summer House star Carl Radke is ready to share his reality TV wisdom with Vanderpump Rules newcomer Jason Cohen. "Let me tell you something that Jax Taylor told me in season one," Carl, 41, told Jason, 30, while sitting down for Us Weekly's new series, Just Between Us. "We did Watch What Happens Live and it's the first time I ever did that show, Kyle Cooke and myself were on with Jax [Taylor].