“There was a period when I was in school when I literally did not turn on the stove for like two years.”
You cooked dinner for some friends. One of them asks if you've always been a good cook. You tell them a story to show that you weren't always interested in cooking.
You're an independent accountant. One of your clients came to your office for a meeting. You tell the client that you want to ask some questions about the documents that she sent you last week.
You've visited the office of one of your college professors. You say this, describing what his office is like to another student who's never been in there.