Usa "head game" in una frase

1. a big head game to the lil bomber trying to speculate the intelligence of

2. much time to play head games with the Gadget Man

3. I began to wonder if she was trying to play head games with me

4. Being happy is a head game

5. A few months ago we were in hopes that he was about to settle down again for he became engaged to Rachel Howells, our second house-maid; but he has thrown her over since then and taken up with Janet Tregellis, the daughter of the head game-keeper