Why is a girl constantly patching me up?

Why is a girl constantly patching me up?
Recently one of my good friends, (Female, 16) has been patching me up, (Male, 17) when I do dumb shit and hurt myself. Sure, I appreciate it, but I don't know why she's so worried about me constantly.
Is there any reasoning for this?
Why is a girl constantly patching me up?
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