Curly hair and crusts

In all my years (and believe you me, there's been a lot of them) on this planet, I've had straight hair. Hair so straight and thick it wouldn't even curl much with heated tongs or rollers.

Until now - and it's started going wavy. A friend tells me it's my age and these things happen. But I'd like to think it's because I've eaten all my crusts.
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I'm on twitter @flaming_nora