Deal making - If you do this, I'll do that
Pulling rank - I'm paying or I know more
Violence/bullying - My way or else...
Persistence - aka nagging
Deviousness - withholding information, white lies, flattery
A and B are planning to decorate a room, and have to choose the colours and style of furnishings. The trouble is, they both have very different tastes...
Write the scene, with each one trying to win the other over to their way of thinking, using as many techniques as they can. You'll get more out of the exercise if you make a few decisions about their relationship first, and remember, they are both determined to win.