1. chad athlete at a D1 college. Let's give him 5 years in college for the sake of argument. What is his pool? It's sorority girls, female athletes and maybe a few dozen normies who are into athletes. How many total women are in that pool? At the very most, say at a university with an enrollment of 50,000, it might be a thousand. Second, how is "chad's" time occupied? Classes, practice, games and travel alone take up at least 50 hours a week, not to mention extra time for sleep and recovery. Add to that 10 - 20 hours a week for study if he actually wants to stay enrolled. In other words, "chad's" schedule looks awfully busy year round and doesn't leave much time for chasing stacies.
2. post grad chad in his 20's. If he's lucky enough to be employed full time and is relatively ambitious, he's grinding out 40 to 60 hour work weeks. He is focused on getting ahead, not getting wasted every night at bars. He has a social circle which includes work mates, some former friends and acquaintances from college, and a few stacies in the mix. This may be a couple dozen people total he knows well. Overall, his social circle has declined drastically compared to college.