Yeah, Bill has guessed as much. The thing is, he's not going to be able to touch that without exposing how amazingly fucking jealous he is, so he's just going to act like he has no idea what Ford's problem is.

"FINE! I WON'T HELP, BUT IF YOU CAN GET MATERIALS FROM HER, I WANT TO KNOW. I STILL NEED TO GET TO THE BRIDGE, AND I'VE GOT OTHER STUFF I'M WORKING ON RECREATING!"