Talk, brainstorm, make conversation to create those ideas.
In the world of Roleplay, nothing is ever set in stone. And sometimes making conversation to see what one another likes is what makes a story all the more fun.
If someone was to approach you with something you don't like without talking to you, would that turn you away? Or would you ask for other ideas?
There's no harm in discussion, making creative topics, interacting, etc. You'll find that some of the best stories come from communication.
Better to try, than to leave it in the dust and question the idea of "What if..." when you come back to that person