master manipulator

It feels like Jack is becoming more and more clingy, and it is starting to drive me batshit. He won't leave the room to go get a car or toy, or whatever, without me coming with him. Yesterday he wanted a car from the living room and we were in the kitchen. I told him to go get it himself, but he wanted me to come with him. Now, I can actually see the entire living room from our kitchen. There is no wall separating the two. He could go into the living room and get his car and never be out of my sight, but he won't do it. I got angry and nearly screamed at him, "WHY??? Why do I have to go in there with you? You are a big boy, I don't need to go into the living room. Why don't you just go in there yourself?!?!?!?" and he looks up at me all serious with his big blue eyes and says, "Because I don't want to go in there by myself and I love you."