Do men notice things about women but don't really tell them that?

Recently, I started casually dating a guy. I got to know that his favourite colour is Red so I bought a Red bra and wore IT under a top. You could see the stripes from under IT. I wanted him to be pleased. But he didn't say anything until the end when I pointed out that I wore something in his favourite colour. He just said:'I saw it'. Nothing more. How should I interpret that?

Do men notice things about women but dont really tell them that?
Do men notice things about women but don't really tell them that?
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