I am a pretty muscular bodybuilder type. I was losing my hair a bit in the front and shaved my head. I look pretty menacing right now, and my girlfriend hates it. She thinks I look like a tough bad dude. That's why I am keeping it!
You're learning. What women say they want and what they really want are completely independent of each other. Sometimes they sync up, sometimes they don't. She's probably honest: For that brief nanosecond of time, she didn't like it. But your instincts were right, grasshopper.