The document discusses 10 common relationship mistakes: 1) choosing the wrong partner solely based on physical attraction, 2) having unrealistic expectations that a partner can fulfill all your needs and make you happy, 3) letting resentments build up instead of communicating issues, 4) disrespecting your partner by ignoring their wishes, 5) relying solely on sex to maintain the relationship, 6) spending too much time together and losing your own identities, 7) overdoing gifts which leads to feelings of being unappreciated, 8) letting one partner make all the decisions, 9) not handling family conflicts as a united team, and 10) hiding "skeletons in the closet" from your past. The key to a healthy relationship is open