I proposed to my girlfriend and she accepted but she kept a strange condition - that I should keep my head shaven. Why would that be? is it normal?

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An update: I did ask her. She says she loves the feel when caressing my head during private moments. I did notice she used to do it before but did not pay much attention to it. It was a request so option is mine. by the way I did shave and my barberette said I looked cute and could consider retaining that look. I probably will
I proposed to my girlfriend and she accepted but she kept a strange condition - that I should keep my head shaven. Why would that be? is it normal?
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