For sure! To have her open up from zero to 100 would just have been unbelievable. I like that it took her a bit to open up. After her tennis date talk about how people were after her for her last name, status, or money, she'd rightly be nervous.
She starts to see someone worth investing in over additional scenes. From being honest with her questions about the DIK Tybalt raid, her panty getting stolen, the "fire" that started, texting her about the Cathy cluck when it was released, etc. to him going up on stage to ensure she gets to do her recital she progressively gets more into the relationship. Once she starts to open up, it progresses steadily until chapter 11, when it's a small crack in the floodgates.