Potential is such a relative term. Nearly everyone has it and most of us just don’t want to face the facts that not everyone is going to be rich and successful just because they are smart or skilled or have striking physical features. In my experience their are two types of “potential”. The first is before you actually meet a new person , you see them in public forums and admire their outward appearance. The 2nd is once you get to know a person and understand intimate nuances of their personality. All of the above examples you brought were the first type of potential, and I may be so frank, a shallower and un-nuanced view of a person based on public standing. None of the examples have any truly intimate details about the individual personalities of your partners. So what I think the advice your trying to bring out is this, don’t judge your boyfriends based on their exterior qualities and instead focus on how they make you happy and how they work on their weaknesses/vices