When you think about a character like Supergirl, you imagine someone who is a paragon of virtue. Kara's not immoral and is often a representative of all things good, but "Exodus" proved she can slip a little. Maybe.
Miscommunication. It's a thing and having super powers doesn't mean you're exempt from experiencing occasional instances of forgetting how to communicate with others.
Family is important to Chyler Leigh. Fittingly, it’s also really important to Alex Danvers, her character on The CW’s Supergirl.