Since when is changing your looks something noteworthy ? A lot of women do it regularly. Heck, even my mom tries different things every now and then. It's only natural to make a few changes from time to time, different hairstyle, different make up, different style of clothing, etc..
It has nothing to do with not being happy with themselves, it's about trying to make improvements. It's the people who always have the same appearance that are usually not too happy with the way they look. Either that, or they don't care.
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