Michael: It's hard for my sister to eat.
Maureen: Why ?
Michael: She can't bear to stop talking.

Your sister's boyfriend certainly has staying power. In fact, he never leaves.

Do you like my new baby sister ? The stalk bought her.
Hmm, it looks as if the stalk dropped her on her head.

Why did your sister tiptoe past the medicine cabinet ?
Because she didn't want to wake the sleeping pills

My sister went on a crash diet.
Is that why she looks a wreck ?

My sister fell in love at second sight. When she first met him she didn't know how rich he was.

Why did your sister refuse to accept tickets for a door prize ?
Because she already had a door.

Brother: How do you top a car ?
Sister: Tep on the brake, tupid.

Brother: If you broke your arm in two places, what would you do ?
Sister: I wouldn't go back to those two places.

Why does your sister jump up and down before taking her medicine ?
Because the label said, 'shake well before using.'