Timmy: Still, he's great company. Has loads of stories to tell! And really funny ones!
Gemma: Only if u look after him. Sensibly. 
Timmy: Fine. No sandbagging Andy this time.
Gemma: Gr8. So the guest list is slowly closing: you, me, Andy, Lona and Michelle.
Timmy: Maybe 1 more person?
Gemma: Who do u have in mind?
Timmy: My cousin will be in town 4 a couple of days. I could bring him with me. He's nice and easy-going.
Gemma: If u vouch for him, no problem.
Timmy: Gr8 :) I'll tell him right away :)
Gemma: And I'll start inviting ppl :)
Timmy: CU on Saturday :)
Gemma: CU :)
Gemma is about to invite guests, and she's consulting it with Timmy. Timmy will bring his cousin.