After the age of 25, you are more likely to lose teeth from gum disease rather than tooth decay. Apart from poor oral hygiene, these are the main reasons
Of these only genetics and type 1 diabetes are inherited, the rest are a result of your life choices. Smoking increases the probability of early tooth loss by between three to seven times, and diabetes three times. Bleeding gums can reflect a systemic problem, and mouthwash will not cure it only disguise it in the long term.
From the list, it can be seen that if you improve your gum health, your general health will improve, and you will live a healthier longer life. What better motivation could you have?