Whats the best way to respond to a Sag that comes back into your life then disappears then reappears again?

I am a Sag, and my cousin who is male is also a Sag. He does this exact same thing to his x-wife. For whatever reason, you are someone he runs to for comfort when things go bad in his life. Because we Sags appreciate directness and honesty in all things, I would confront him about it the next time he does this. Ask him what he wants from you. If this is causing you pain you should tell him. Tell him that unless he seriously wants you back, to stop doing this to you because it does nothing but confuse and hurt you. Being direct with him is the ONLY way you'll find out, and the best way to deal with a Sag.