They have the energy of two people who were friends as kids that would play roughly with one another outdoors, and they grew up and hit puberty and realized they liked each other and they still had that childish fighting energy but also some wholesome moments
The cutest thing I find about Jade and Beck despite their toxic side is that they're very touchy around each other, even when the spotlight is not for them. Beck would always wrap his arm around Jade, and Jade loves sitting on top of him. Guess their love language are physical touch
Jade: Can you get me some coffee? Beck: Whats the magic word? Jade: Get me some coffee... Please? Beck: Actually the magic word was lotion but I'll get it cause you have a boo boo eye.