In this quote, Paul McCartney is revealing his belief that he does not strive to be like everyone else. He does not conform to societal norms or expectations, however rather selects to be special and stand apart. McCartney is a popular artist and songwriter, and his career has actually been anything but common. He has achieved great success and fame by following his own path and not adhering to what is considered "regular." This quote reflects his decision to be real to himself and not choose mediocrity. It acts as a pointer to welcome our uniqueness and not hesitate to stand apart from the crowd.
"I was married to Margaret Joan Howe in 1940. Although not a scientist herself she has contributed more to my work than anyone else by providing a peaceful and happy home"