Here's what Pope Francis said in his homily about marriage:
The love of Christ, which has blessed and sanctified the union of husband and wife, is able to sustain their love and to renew it when, humanly speaking, it becomes lost, wounded or worn out. The love of Christ can restore to spouses the joy of journeying together. This is what marriage is all about: man and woman walking together, wherein the husband helps his wife to become ever more a woman, and wherein the woman has the task of helping her husband to become ever more a man. (Read more)
This is the task that you both share. “I love you, and for this love I help you to become ever more a woman”; “I love you, and for this love I help you to become ever more a man”. Here we see the reciprocity of differences. (Read more)