When, at the climax of the piece, the other half of the whole-wheat sandwich fails to appear (“Half a Whole-Wheat Sandwich, Reprise”), when Lawrence Less as well fails to appear and Thomas-Archie realizes his father is gone for good, gasping in understanding, Arthur Less breaks down in racking sobs that are equal parts relived sorrow and musical-theater joy, and show me the homosexual who could sift out which is which.