DEAR ABBY: A year ago, I lost a tooth. I’m a 56-year-old woman on disability, short on funds to rectify the problem, so I visited my local hospital’s dental clinic. I hadn’t visited a dentist in years, so I was quite fearful. The clinic allows a dental resident to work on your issue under the supervision of a practiced dentist. The work I needed was performed every two weeks for about four months. What I did not count on was becoming seriously attracted to a 29-year-old resident I’ll call “Justin.” At first, I couldn’t believe it was possible, given the ...