Well, it's important to me that you believe me. I haven't had a man in my apartment since my husband was killed.

7 seconds sound clip from Knight Rider - Knight of the Phoenix (S1E1-E2).

You can hear this line at 00:43:39.567 in the Blu-ray version of the episode.

Quote context

[...]

- Well, I'll be leaving you two. Have a good time. Especially you.

- She's a wonderful girl. A saint. Remember that.

- Good luck. He's a winner.

- I'm sorry. I don't know what to say. She doesn't usually behave like that.

- No apologies. I'm flattered.

- Well, it's important to me that you believe me. I haven't had a man in my apartment since my husband was killed.

- Mom?

- Buddy. What are you doing out of bed?

- This is Buddy.

- I figured. Hi, Buddy.

- Hi. Are you gonna marry my mom?

- Oh! I don't believe he just said that.

- Now will you go back to bed. Right now. Just a minute.

[...]