This Thing Called Love (1929 film)

This Thing Called Love is a 1929 American romantic comedy film starring Edmund Lowe, Constance Bennett, Ruth Taylor, Roscoe Karns, ZaSu Pitts, and Jean Harlow. Harlow appears in a cameo role, as she was not yet famous. The film is based on the play This Thing Called Love, a Comedy in Three Acts, by Edwin J. Burke.

A man returns from a trip to Peru rich and looking for a wife. While still single he has a real estate agent show him a house or two. The agent invites him to dinner then him the agent and his wife start bickering, causing the poor fellow to rethink marriage over. He decides he wants to share his home with someone so he has his agents sisterinlaw move in. Later on they both fell in love.

Source: Wikipedia