Genesis 1:28 for one....also Onan was killed for "spilling his seed" on the ground instead of propagating children for his brother's family....Gen 38
If the early church of Perpetua, Agnes, et. al. ...getting slaughtered as is was...practiced your "Natural Family Planning" techniques....we wouldn't be here.
Wise guy.
In other words,
A Bible verse + one angry man = the truth.
Am I reading you?