Couples who are randomized to the face-to-face support intervention will be asked to attend two two-hour in-home sessions, one in pregnancy and one after the baby is born. Each man and each woman will receive four booster calls, two in pregnancy and two post-partum. These calls last approximately ten minutes. At the individual level, the intervention focuses on skills training for behavior change (smoking cessation for men and diet or exercise for women) and goal setting. At the couple level, the intervention focuses on skills training for communication (speaking and listening skills and problem solving).