The topic of 'Impact on relationships' is central to the podcast episodes provided, which explore how personal experiences like not having sex and addiction can affect relationships, communication, and dynamics between individuals and their loved ones.

In the episode 'Why You're Not Having Sex', the podcast discusses how the increasing trend of not having sex can impact relationships, including challenges with communication, differing desires, and the need for understanding and compromise.

Similarly, the episode 'On Alcoholism: Addiction, Relapse, & Recovery' delves into how addiction, specifically alcoholism, can strain personal relationships, leading to trust issues, family dynamics, and the difficulties faced by loved ones supporting those struggling with addiction.