If my boyfriend thinks I'm ugly how can I become pretty?

Anonymous
My boyfriend told me I'm not pretty and said I was ugly.But he was being honest because I asked him if he thought I was pretty but he doesn't.So how can I become pretty?I'm not offended by him saying that.My friends who are guys said I should appreciate his honesty.So what can I do?any general tips you can give?and I'm 16 so I can't get surgery yet
If my boyfriend thinks I'm ugly how can I become pretty?
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