A: I was going to, but I think it will make the room too cold.
B: Well, decide one way or the other.
A: Okay, I'll open it.
(He/She opens the window) A: Actually, now it's a little cool B: So, close the window.
A: I'll wait a few more minutes and then I'll shut it.
B: It's up to you. I'm happy with any temperature. You decide. See what's good for you and make up your mind. But leave me out of it - I'm reading. A: Thanks, you're so easy going!