You're involved in an intellectual discussion about society. You think that having too many advertisements is harmful.
“I used to be able to run five miles without breaking a sweat. Now I get winded after the first five minutes.”
When you were younger, you were in good shape. Now you don't exercise much, so you're out of shape. You're talking to a friend about how hard it is for you to exercise now.
You're commenting on a news story about the President of your country. A lot of the other commenters are saying bad things about the President, but you still like him and think that he can accomplish good things. You write this.
You're talking with an English-speaking colleague and she uses a phrase that you've never heard before. You ask her to explain what it means. After she explains it, you say this.