After Sakura and Sasuke got together, the young Uchiha was never at ease when she wasn't around. He didn't tolerate very well to be kept apart from her for longer than few hours days.

So lovesick, Kakashi found it amusing. A mischievous grin grew unnoticed, hidden behind his mask. 

- You want me to play at romance? - he muttered in a mocking tone. 

The Copy-nin found himself at the receiving end of a scathing glare.