When Dina is asking Garrett if he pictures specific instances of them having sex or just general fantasies about it, her hands go from both being up with only her index fingers extended, to only her left hand being up and held flat, to both hands being on the table between shots, with no breaks in the conversation.
When Amy and Jonah are discussing Emma being high during the father/daughter dance, Amy's right hand goes from on her water glass to in her lap to on the table and back again several times.
When Jonah goes to get the ice you can tell that the ice wasn't real.
Emma celebrates her quinceañera (15th birthday) here. In Part-Time Hires (2017), which took place approximately a year and a half earlier, Emma was already 14 (14 is the minimum working age in Missouri, where the series takes place). She would have therefore been 14 years old for more than a year and a half.