separating your smile

This is term for when you are in a really good mood and you or someone else says something that ruins it. Thereby separating your smile or breaking your happiness apart.

As Ian began to feel even more excited about himself and his future, his mother reminded him of past failures and potential future ones. His mother even boldly stated, "I know I am separating your smile, but you need to be realistic. You are a disappointment." Ian chuckled for he did not care what his mother thought.