Granted the filthy habit is a turnoff, but the real reason behind the breakups may be that smokers are more likely to suffer from problems like depression and anxiety -- which can shake up any marriage.

• 当然吸烟这个坏习惯令人反感，但导致离婚的真正原因可能是因为吸烟的人更易患抑郁和焦虑之类的疾病，并因而导致婚姻基础动摇。