@ceilingcorner's main point is that, no matter how healthy you live, an obese person is more likely to infect you. I don't know if I buy that, but I agree none of your answers seem to be on point.
https://www.forbes.com/sites/alexandrasternlicht/2020/05/11/...
> it has been clearly illustrated that obese patients are potentially more vulnerable to COVID-19 and more contagious than lean patients
https://www.rcpjournals.org/content/clinmedicine/20/4/e109
> Due to prolonged viral shedding, quarantine in obese subjects should likely be longer than normal weight individuals.