Guess the 1960s song lyrics #119

*First line is the duo's names. 1961. These two were attending college in Texas when a local DJ asked locals to perform their songs on the air. She was the niece of the owner of the boarding house where he stayed. They performed a song he wrote. It caught on and they recorded it. The song hit #1 just before Valentine's Day 1963.The song name and their performing names are very similar.