The Wharton professor who trained navy seals and strained Google to...

Diamond's whole system rests on one thing: the pictures in the other person's head. You can't move someone you don't understand.
Learn the pictures in their head before you pitch.
Diamond calls them emotional payments. People who are upset stop listening, so you address the feeling before the facts.
Pay the emotion first, or the logic never lands.
This is framing to a standard. You hold them gently to their own stated values and let their commitment do the work.
Frame to their standard. Let it pull them.
Diamond preaches small steps. People refuse a giant leap but say yes to a first inch.
Take small steps. Each yes earns the next.
Valuing the other party, Diamond's most repeated move. Genuine appreciation, meant not faked, makes people want to give you more.
Value them for real and they give you more.
Diamond says there are always at least three people in a negotiation, even when two are in the room.
Find the third person who isn't in the room.
Diamond turns negotiators into problem-solvers. Instead of trading demands, you ask them to help build the path to yes.
Make them a problem-solver, not an opponent.
If you've been doing it for years for a number someone else caps, you already own the rare part. You've just never aimed it at a room that pays what it's worth.
