Bad breath, also known as halitosis, is a common problem that can have many different causes.
By being direct, it avoids any confusion that dropping hints may cause and it is the most effective way of helping them.
A date who doesn't listen would kill the mood fastest for 17 percent of people, and rounding out the bad-date traits were yellow teeth (11 percent), lack of style (5 percent), and cheapness (5 percent).
Hmm, maybe that Groupon proposal wasn't the best idea ever.
Out of 1,020 adults, 37 percent said that dragon breath was the biggest romantic deal-breaker.
Bad manners were a close second, with 26 percent of respondents saying they were the worst offense—so be nice to your waitress!