ISB ~ 1 Corinthians 7 v5

Do not refuse one another:The conjugal rights shared by husband and wife provide a safeguard against infidelity (7:3-4). The withdrawal of one spouse from marital relations could lead the other to seek illicit intimacy outside the marriage covenant.

agreement for a season:Married couples may abstain temporarily from relations. This creates opportunities for prayer and spiritual enrichment. Paul warns, however, that abstinence should not be unnecessarily protracted, otherwise Satan could manipulate the circumstances for evil. • Catholic teaching permits married couples, for just and serious reasons, to refrain periodically from sexual relations in the interests of child spacing and family planning (Pope Paul VI, Humanae Vitae 10, 16). Periodic continence can likewise promote spiritual discipline and self-mastery for both husband and wife (CCC 2368-70).