Because it invests, and then forgets what it invested and tries to invest again. True love is the perfection of responsibility. The resonance of the individual mind and body also can be accomplished only by true love. Unification, peace and balance centering on true love comes from the unification of mind and body. That is the basic condition to go into the Kingdom.
True life is the life of true love with the unification of mind and body.
We can enjoy this created world through the unification of our mind and body. The purpose of marriage is to give birth to children and establish a family. Therefore without marriage or without children, in the future we will not understand the meaning of parents and spouse. You can be proud of yourself if you have unified your mind and body. Otherwise, you should feel ashamed and be humble.