Because it would fall over if it lifted the other one.
or
To give us some sort of appreciation for flutes.
Did you hear about that music composer who committed suicide? He didn't even leave a note.
or
One has claws at the end of its paws and one has a pause at the end of its clause
or
Because he was under cover.
or
It left its tracks.
or
I just found the Bush that Jeb lost."
or
Punch.
or