Bernie: The wife will be out of town for a couple of days :) 
Chris: The house to yourself then?
Marty: Lucky you ;)
Bernie: Actually, I thought you could come over ;)
Chris: When?
Marty: How many beers should I bring? ;)
Bernie: Marty, that's the spirit! It shows you're not married ;)
Chris: So?
Bernie: Friday after work?
Marty: Works for me :)
Chris: I'll talk to my wife about it. We had some plans, but maybe we'll be able to move them.
Bernie: What plans?
Chris: She wanted to go to some stupid exhibition. 
Marty: So why not let her go alone and you join us?
Chris: That's actually date night.
Bernie: A what then?
Chris: A date night. Something she read about and we decided to implement...
Bernie's wife is leaving for a few days. He wants Chris and Marty to come in on Friday after work. Marty is in. Chris has a date night with his wife, but he will try to move it.