- Alternative Character Interpretation: Opinions on whether Poppy is healthily happy or an annoying maniac vary widely.
- Award Snub: Despite winning the Golden Globe for Best Actress - Comedy/Musical and sweeping the Los Angeles, New York, and National Society Critics prizes for Best Actress, Sally Hawkins was egregiously left without an Oscar nomination for her work on the film. On another note, some found that Eddie Marsan would've made a deserving Supporting Actor contender.
- Jerkass Woobie: Scott.
- The Woobie: Poppy alludes to this trope when she says she wants to give her dance instructor (who just had a meltdown over some shattering recent breakup and had to leave the classroom) a hug. Her friend notes that the instructor probably wouldn't know what to make of it, if one of her students hugged her.
YMMV / Happy-Go-Lucky