What happens if you cheat at poker?

Solution 1:

I haven't finished the game yet, and I haven't attempted to pursue a romance with Gil. But, I have played for 8+ hours since legitimately using my technologically enhanced senses to get a better read on my opponent.

The only noticeable results have been in dialog. For instance, we had a discussion about how the people of the Initiative need to reproduce. During that discussion, his friend Jill came up. He says (paraphrased)

You remember her, I mentioned her when you were kicking my butt at poker.

At no point has he indicated any suspicion regarding how I was able to win.