Some Mothers Do 'Ave 'Em recurring catchphrases include references to "a bit of trouble", which usually implies some sort of undisclosed digestive disorder, and to the cat having "done a whoopsie" (presumably a euphemism for having defecated in an inappropriate place, on one occasion in Spencer's beret). If Frank is pleased (or confused) about something, he will often use the catchphrase "Mmmm — nice!" or "Ohhh — nice!" Despite his unfailing ability to infuriate people, Frank is essentially a very sympathetic character, who inspires much affection from his ever-loving and patient wife, Betty. He also venerates the memory of his late mother, Jessica, and worships
What Do I Have to Do is synth orienated and has multilayered vocals. Much of the synth was omitted and the drums, bass and vocals were toned down for the second album version. The third version, the 7" Mix, contains a newer drum track, multilayered vocals in the chorus and relies much less on the synthesizers on the album version. This version of the song also contains samples from American comedian Sam Kinison, and was used for the music video. Originally, "What Do I Have To Do" was planned to be released as the follow-up single to "Better the Devil You Know", but was later released