In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.
Q: Title: Bad Teeth. Sentence 1: My mouth is terrible, literally. Sentence 2: I did not take care of my teeth growing up. Sentence 3: I rarely brushed and I never flossed. Sentence 4: Now, I have cavities, extractions, and tooth decay.
A: 
I rarely smile because of my ad teeth.