Keep yourself alive!

You go home. As you arrive the police are there. You run inside to find that your Big screen TV and wife are both gone. You ask the police some questions when you come upon a strange note. it reads
"HAHAHA! Hello Sammy, don't you remember me? No? Well I'll give a clue. Ah the golden days were great, eh? Just you, me, your GF and mine. Ah, but you stabbed me in the back and cheated with my GF. So i will have her back."
-???
What now?