Don't let the fact that he was 24 deter you. Over at r/bodyweightfitness, there are hundreds of people who started above 45 and are in better shapes than 20 year olds.
Obesity is now a taboo topic in tech because you might unfortunately step on the toes of a few sensitive people and be labelled a fat shamer. This is not the case.Obesity in tech is a disease on it's own and it needs to be fought with a sharp edged pitchfork. We need to help our colleagues who have lost hope and given up on ever being fit again.
It is never too late to get healthy again. If you're overweight and believe your work schedule cannot allow you to lose weight, give yourself a 6 - 8 month break. Step over to the r/bodyweightfitness Recommended beginner routine and make a big change in your life. You don't need an expensive gym membership. You can use the floor, parks, chairs, tables, doors, ledges, trees etc.
Sustainable weight loss is achievable by everyone, whether you're 40 or 50 years or 400 pounds or 600 pounds.
Consistency over time is the key!
