Well, being an alert, oriented, educated adult doesn't mean that you don't have your own little psychological quirks. Until two or three years ago, I couldn't swallow pills, either.
I know why I developed that quirk; it dated back to my first prescription for antibiotic pills for a sore throat. When I had difficulty swallowing them, my dad was going to "make" me swallow them. I coughed, choked, gagged, etc but never swallowed the pills. Until I managed to work myself out of the quirk, I never did, and round capsules are still sometimes difficult.
I always could get things down with food. Chew up a saltine till just before swallowing, stick the pill in the bolus, and swallow. Now I can get most things down with liquid, and tiny things dry.
Still, I would suggest a bit of compassion for people who can't swallow pills. Whatever their reason, I'm sure it's as valid as mine was; that doesn't mean logical. I knew for years that it made no sense to be able to swallow a bolus of food containing the pill but to be unable to swallow the pill alone. Knowing it's illogical does not help, nor does knowing that your quirk inspires impatience and contempt in those who are supposed to be helping you. Believe me, this is *not * designed to drive you crazy!
When I say I worked myself out of this quirk, it was literally that, work. I made a conscious effort, started by taking very small pills with water, caplets, etc. I'm still careful to buy things like Tylenol in caplet form.
Other than the pill thing, I think I'm reasonably well adjusted.