A lot of Aaron Rodgers' serial monogamy with high profile, attractive women started after the Green Bay Packers won the Super Bowl in the 2010-11 NFL season.
There are 2 ways to look at this...
1. Did Aaron Rodgers' bachelor stud lifestyle with high profile women distract him too much from winning games and important playoff games? As quarterback, he is the most influential player on his team.
2. Did Rodgers consider the personnel moves that executive management were making and the quality of coaching staff and realize that these teams were going to be good but not good enough? If so, does that mean he made the conscious decision to be more focused on women and what impact would that have?
I believe Idea #1 has more merit than Idea #2. In 2011-12, the Packers were 15-1 in the regular season, winning 94% of their regular games. There were 3 other teams that went 13-3 in the 2011-12, winning 81% of their games. It would look like the Packers were the best team that season. Some of this depends on strength of schedule though.
In January 2012, the 15-1 Packers lost an earlier round playoff game at home to the 9-7 New York Giants. That was a statistically improbable outcome. There's a good argument that the team didn't recover well from that, including Rodgers. Two years later, they won just over 50% of their games. I didn't watch that Giants-Packers game so I don't know how poorly Rodgers performed.
2020-21 was another season when the Packers had the best record in the NFC and failed to go to the Super Bowl.