It could be a general signal that you are willing to ignore nonsensical social rules—this is a dominance/confidence signal, in most cases, that you either have the social standing to not be questioned about such a decision, or are confident that you have the correct skills to defend yourself if confronted, or both.
This was necessary but not sufficient for me to decide to use the purse.
It could be a signal that you belong to a particular group, most likely the group from which you got the idea to use the bag.
This one is the closest—the context here is that the person who suggested I use the purse was unhappy with the way my wallet looked when I carried it in my pocket. (That should give away the answer almost completely.)
This was necessary but not sufficient for me to decide to use the purse.
This one is the closest—the context here is that the person who suggested I use the purse was unhappy with the way my wallet looked when I carried it in my pocket. (That should give away the answer almost completely.)