Middle Age Melt: Aging Without Grace by Janet Pitler, illustrations by Bob D’Amico; © 2022; Norfolk, Virginia; ISBN 9781953-024985; 105 pages, $14.95. SAN DIEGO – Stand-up comedians know that audiences will laugh at jokes made about the subjects which make them the most uncomfortable, including their body shapes, their sexual activity (or lack of it) and the infirmaries of age. Janet Pitler, with a Jewish knack for self-deprecating humor, puts such material into 61 poems which Bob D’Amico illustrates with imaginative cartoons. The result: an opportunity for those of us who are aging (and who i…