A wise man should avoid (unchastity in) married life as (he would avoid falling into) a burning pit of live coals.
Therefore, if unable to lead a married chaste life (sexual alchemy), he should first practice Pranayamas during Brahmacharya and avoid married life.
For I would that all men were even as I myself. But every man has his proper gift of God, one after this manner, and another after that......
Now concerning virgins I have no commandment of the Lord: yet I give my judgment, as one that has obtained mercy of the Lord to be faithful.
I suppose therefore that this is good for the present distress, I say, that it is good for a man so to be.
Are you bound unto a wife? seek not to be loosed. Are you loosed from a wife? seek not a wife.
But and if you marry, you has not sinned; and if a virgin marry, she has not sinned. Nevertheless such shall have trouble in the flesh: but I spare you.
But this I say, brethren, the time is short: it remains, that both they that have spouses be as though they had none. 1 Corinthians 7: 7, 25-29
“Inmisio membri virili in vagina feminae sine ejeculatium seminis.”