"Why does it feel like I'm finally starting to understand myself after all these years?" That question shows up quietly in a lot of autistic adults somewhere around forty, fifty, or sixty - often right after a diagnosis nobody expected this late, or a moment of recognition that arrives with no diagnosis at all. Laura Mitchell wrote Aging & Autism: Thriving in Midlife and Beyond for that exact moment, and for the years of adjusting that follow it. Most autism resources are written for children and their parents. This one picks up where those books leave off. Whether you were diagnosed at six or at sixty, midlife brings its own questions - about masking that gets heavier instead of lighter with age, sensory needs that shift as the body changes, and a growing sense that it's time to stop just coping and start actually living well. Inside, you'll find: Why late-diagnosed and lifelong-diagnosed autistic adults arrive at midlife by completely different roads - and what they share once they get there How masking tends to get more exhausting with age, not less, and what unmasking safely can actually look like Sensory, sleep, and physical changes explained honestly, with accommodations that work in real homes and real bodies Co-occurring conditions - AuDHD, mood disorders, medical comorbidities - addressed together instead of treated as separate problems Healthcare conversations, legal planning, and financial systems, approached for a mind that processes bureaucracy differently What to do with everything you've learned: mentoring, creative expression, and building a legacy on your own terms What makes this book different: it isn't about managing decline. It's about treating midlife as a legitimate stage for growth, self-knowledge, and pride - not a wind-down after the years that were supposed to matter. You spent years navigating a world that never accounted for how your mind works, often without knowing why it was so hard. That deserves to be acknowledged - not as a wound to carry, but as evidence of a resilience you may not have credited yourself with yet. You are still here. You are still growing.