Note here that bodybuilding != Lifting weights

Bodybuilding for the sole purpose of aesthetically sculpting one's body through resistance training

There exists an inverse correlation between a man's perceived penis length percentile and desire to own fast cars which could be useful to extrapolate a potential causation of men compensating for a short penile length with traditionally masculine traits

Source: https://www.researchgate.net/publication/367617883_Small_Penises_and_Fast_Cars_Evidence_for_a_Psychological_Link