Average woman in the US is 5'4", and if a guy pads their 5'9" to 6'0", she might not notice unless she is specifically paying attention. However, to the 5'10" woman, there’s a big perceptual difference between talking to someone who’s 2" taller than you and someone who is 1" shorter than you, and it’s not something you even pretend to not notice. (I was a bit shocked to learn that some 5'9" men had the audacity to put 6'0" on dating profiles. Like, 5'9" is average. It’s not even short, to begin with.)