You're working on a school project and need to buy some supplies for it. Your partner on the project offers to buy the supplies. You want to pay half of the cost, so you tell him this.
There's an election coming up soon. One of the candidates for your state's congress is gay. This hasn't happened before in your state, so you're talking to a friend about it.
You coach a girls' basketball team. One of the players on the team usually causes problems, so you yell at her a lot. But recently she's been working hard and behaving herself. You compliment her for it.
You're talking with someone who seems to be in her 30's, but she says that she has a teenage son. You can't believe that she's old enough to have a child that age. You say this, surprised.