My cats do the same thing, I'll be gone for just a minute and they'll steal my spot. Like the rest of the couch isn't available to them.
My fat cat Little Shit has a funny little routine, every morning he'll creepily sit in front of my fiance's face, and just casually claw at his face to wake him up and feed him. Then he doesn't even eat it. I don't know why he does it to him either, he's my cat lol. He also likes to knead and suckle on any stuffed animal, he has a favorite, a little stuffed cat named Mr. Pants.
Also, I don't let any of my cats into my bedroom because that's where my son sleeps, so every time I go in there they sit outside the door, and when I come back out I have to block them because they all charge trying to get past my legs. They know I don't want them in there, and then I have to chase them around to get them out.
Cats are crazy.