I'm at episode 5 and no longer care about this highly unlikeable family. Tennis obsession, unhealthy competitiveness, toxic family dynamic, bullying and emotionally unavailable father, dodgy interloper, dippy purposeless mother. So far so cliche.
Nothing about this drama has made me believe in this family or their story. Or care. I'll probably go to the end because I hate giving up on a series, but will definitely regret the time spent on it.