Some really emotional comments on here. Definitely an emotional situation but take a step back - If your cofounder fires you and you keep 45%, you're basically getting half the value for none of the work. Aside from the pride, this is actually very favorable. Probably the best way to handle it is to realize you own half of this thing, and offer to write a resignation letter to minimize the drama, swallow your pride,…
This assumes they do not have a vesting schedule.