One likely sign that your partner may have adult ADHD is if you have a child who has been ... You're Doing It All. They don’t develop in adulthood, rather they persist into adulthood. ADD/ADHD Behaviors and Consequences That Hurt Marriages . You Have a Child With ADHD.

… Irresponsibility and Lack of Follow-Through:   When it comes to household chores, your spouse may seem disorganized and inattentive to household maintenance. Adult symptoms of ADHD are similar to childhood symptoms with inattention, distractibility, taking longer to get things done, problems with time management, scattered-ness, forgetfulness, and procrastination. ADHD runs in some families. You Feel Like a Nag Much of the Time.

However, failing to follow through on chores is often secondary to inattentiveness, not due to ill will or a conscious attempt to avoid sharing in household labor. Spotting the Symptoms of Adult ADHD.