He's been a profound experience for me," Badgley tells PEOPLE exclusively With Netflix's You coming to an end, Penn Badgley is looking back on the series — and the character — that encompassed his 30s.

The Netflix psychological thriller starring Penn Badgley captivated viewers from the start with its leading man Joe Goldberg, a dangerously charming book enthusiast who became infatuated and obscenely obsessed with aspiring writer Guinevere Beck.

In an interview, Penn Badgley breaks down the series finale of Netflix's You and why Joe Goldberg's downfall had to happen the way it did.