A likely indirect result of their tumultuous relationship is increased stress for their children.
If this couple fights a lot, it is going to affect their children as well because they will be living in a household where they are witnessing conflicts and the lack of love almost each day. They will be anxious all the time, which will then negatively affect their mental state, and thus their lives in general.
Leah could perform better than Jenna at the tryout.
The way the script is written, Leah works really hard, but Jenna just thinks that her natural talent is enough.
If Leah performed better than Jenna at the tryouts, then the script would be developed to address the theme " Hard work is more important than natural talent."