Love After Age

Two had every reason to give up and live like normal people but the chose each other.
True love never see age, gender or situation.
Two office going mem, never meant to fall in love in their this age. But they fell for each other.
Both in their 40s. How love and self recognition is possible in this age? That also each of them with one child.
One recently discovered that his wife with whom he had a 16 years old daughter and been married for 18 years, was cheating on him for 12 years now.
Other one never wanted to marry his wife or have kid with her, but was forced to do so by his family. Now he is a drinker, all he want is to save enough money for son and sister and die peaceful.