Marshall will be THIS BIG!

The other night Cooper was trying to guess how big Marshall was going to be. At first, this is what his guess was:

Then I said, "Cooper look at my belly, it's bigger then that. Marshall's in my belly, how big do you think he'll be?" So he gave this guess:
I guess my belly looks that big! He finally said this big, which I think is more accurate:

Leila gave this guess:
I just hope he's healthy!