These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
During the toast, Chugs declaring "Ellie, I love you because you're always there to help with homework. You're like a spellcheck with a nice rack". And later, her reaction to Megan being given fake CPR ("That's hot").
The way Ellie acts towards Cassidy can be construed as this, constantly finding excuses to be with her, and doing things like having her put their Theta Pi bracelets on each other.