Why would a man get confused when looking at your eyes?

Yesterday we were practicing the play, we play father and a daughter.

So, according to the script we sit face to face and have a short dialogue, to which, he’s the one speaking and my answer is just two words,

“Yes, dad.”

So, I was looking at his eyes when he talked. We maintained direct eye contact and it felt very intimate and nice, he has beautiful blue eyes and I found it cute to observe how his pupils dilated very noticeably while looking at me and I couldn’t help but smiled a little,

and he forgot his lines. :)

That was cute.

Why would a man get confused when looking at your eyes?
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