If you are asking me to start a negotiation and I give too high a number for your tastes, that isn't my fault, it's your fault for not just offering what I'm wo

If you are asking me to start a negotiation and I give too high a number for your tastes, that isn't my fault, it's your fault for not just offering what I'm worth to you. How am I supposed to know what you consider to be a moonshot?