Broadly speaking, I see myself as more of a self-improver than a masker, though some of what I do probably makes my ASD less conspicuous to NTs. I like to think my behavioural changes are about becoming more mature, decent, "spiritual," or whatever. For example, learning that not everybody who gets a bit angry with me is doing it out of groundless spite and one-upmanship (though sometimes it's exactly that). Sometimes, I reason, their plight is genuine and deserves a better response than "take your aggression and shove it up your butt" In a sense I'm "masking" until a more measured response becomes second nature, but it's a bit of a stretcher.
Sometimes I wonder if there's a real "me" at all, as if I have a free choice to be anything I want to be when it comes to social interaction. Sometimes I see somebody reacting in a way that's better than my reaction would have been, and I copy them. And after a time I'm just automatically behaving like that. So I suppose it becomes part of my identity.