By the time they checked out, his four-string rendition of the theme to “Who Wants to Be a Millionaire” had captured their heart. Days later, the pair were holding hands down the streets of England, singing at the top of their lungs. But with only two weeks before Mx. Hoffer’s U.K. tour was over, neither was sure a relationship was possible. Then, on their last night together, came a reckoning.
“It was 3 a.m. and we were pretty wasted outside a bar called Glamorous Birmingham, and it was pouring rain, and water was streaming down our faces,” Mr. Abbott said. …