Dear friend,
A diamond can seem like just a small, shiny rock, and a roll of thousand dollar bills may seem to be just a roll of paper. But to one who knows their value, they mean much more.
The Creator did not design the human sexual organs for masturbation. His purpose in designing them was so that the act of sexual intercourse would be a physical expression of vows made at the altar about a union that encompasses the very meaning of the lives of the two participants—and the lives of those who result from such acts.
To remove this act from its context to just obtain pleasure for oneself is to lie with one’s body and so to sin against the Creator’s intention. So it is not a small act for those who know its significance.
Fr. Vincent Serpa, O.P.