Give my greeting to Priscilla and Aquila, they risked their lives for me - Romans 16:3-4
In New Testament times, preachers and apostles often traveled in pairs:
Aquila and his wife later traveld with Paul to Ephesus where they helped meet an impressive man named Apollos
Aquila made a difference; his work was made more effective because he had a wife who as a partner in his ministry
Marriage has many benefits including receiving and giving encouragement and strenght