X: aww i like
kati
y: ohhh yeaahh...you doo do yaa (he (y) doesn't like her but just wants to ruin the chances of them getting together, so behind (x's) back gets her (
Kati) to go out with him, X is annoyed about them getting together but pretends its not bothering him, meanwhile X is using the same
M.O 'method of operating' to get one back.
The
one-upmanship escalates until either one stops, or they realise there both at it..(which would quite amsuing for them, or embarrasing.. depends how you take it ;)