...do NOT really like each other. You would NEVER find them walking around holding hands.
...do NOT like to play outside. You would NEVER have to listen to them cry when it is time to go inside.
...do NOT make a mess. Ever.
...do NOT play with anything EXCEPT expensive, battery operated toys. They would NEVER entertain themselves with empty boxes or sticks.
...do NOT make me smile every single day.
On second thought,