Doonesbury by Garry Trudeau for October 11, 1980
Transcript:
Mark: So how'd it go, Mike? Mike: It went beautifully! I kept pretty close to my text in the beginning, but when I asked her for the weekend, she said something I haven't heard in a long time... Mark: What's that? Mike: Yes! She said yes! Can you believe it? Mark: You sure it's not some sort of trick? Mike: I was so startled I lost my place. The good-by was a complete ad-lib!
Toast to English muffins in the last panel.