In all likelihood there wasn't anything that you could have done to avert that outcome. Once the OOC/IC line has been breached like that - intentionally or not - with one party becoming possessive as your friend did it's very likely to end just as it ended for you, badly.
It's a terrible habit that's sort of prevalent among immature male role-players, as many of them are doing this to replace something missing from their lives and are not actually interesting in what RP should be about - cooperative storytelling.
It's a terrible habit that's sort of prevalent among immature male role-players, as many of them are doing this to replace something missing from their lives and are not actually interesting in what RP should be about - cooperative storytelling.