"Sick"

"Vincent's breath left him in a sharp, involuntary sound. His hand slapped against the glass before he could stop it. There was no question. No doubt. The universe had not merely brushed him with coincidence - it had insisted. This woman - his woman, his mind supplied immediately, possessively, the phrase sliding into place as if it had always been there - walked with purpose but not haste, her steps measured, her head slightly bowed against the wind. Vulnerable. Alone. The sight ignited something violent and reverent inside him all at once. His thoughts fractured, splintering into a thousand frantic directions, each one circling back to the same impossible conclusion: this was not chance. This was confirmation."

1952, Wilmington. Vincent Whittman, a 41 year old TV star and cult leader, finds himself unhealthily infatuated with a woman he saw once in a café. His already strained mind stretches thinner, as he devotes himself to his obsession. While she doesn't know he exists, Vincent creates his own delusions to comfort himself until she will surely be his.

You can find this story on AO3 as well <3
https://archiveofourown.org/works/79876121/chapters/209633906