"I Go Crazy" is a song written, composed, and recorded by American singer-songwriter Paul Davis. It was the first single released from his 1977 album Singer of Songs: Teller of Tales, and his second-highest peaking pop hit, peaking at #7 on the Billboard chart in 1978. The song entered the Hot 100 on August 27, 1977 and began slowly climbing, peaking in March and April 1978, before dropping off the chart the week after May 27, 1978. Overall, it spent 40 weeks (nine months and one week) on the Hot 100, setting what was then the record for the longest run on that chart.
The lyrics describe the feelings of a man who has an unexpected meeting with a former girlfriend. Both have moved on from the relationship, and he had thought she was out of his life forever. Looking at her, however, rekindles his old affection and makes him "go crazy", at least inwardly. To his credit, he does not act on these feelings, though he does realize that he is not really over her.
Instrumental credits taken from Mixonline.
The song has been covered by several artists, including four whose versions were released as singles: