baby boy giggles while he tries to get up on his feet supported by a couch in a living room filled with toys .
There is a better than even chance that a baby boy is trying to stand for the first time .
There is a better than even chance that a baby boy is trying to stand for the first time .
It is improbable that a baby boy is trying to stand for the first time .
A baby boy is trying to stand for the first time .