Many people mistakenly believe that ADHD is a problem confined to childhood - one that children "grow out of." Yet about half of those who had ADHD in childhood (nearly 5% of Americans) continue to have it into adulthood.

The inattentiveness and difficulty finishing tasks that made it tough for children to sit still in school can evolve into self-esteem issues, trouble holding down a job, and substance abuse problems. These symptoms of adult ADHD can also put a real strain on relationships.

Many adults with ADHD also have never been diagnosed. Until you know you have ADHD, you can't get the right treatment for it and your relationships could suffer.

How Does ADHD Affect Relationships?

Men, your marriage is the best it can possibly be, right? Well, maybe. But if you're like lots of couples, you find it all too easy to put everything and everyone else first and take each other for granted.

Unless you become aware of your own hurtful attitudes or actions -- so that you can correct them -- your chances of staying in love 'til death do you part are close to zero. Not to worry, though — you can easily get back on track by watching out for these 5 common mistakes: