I wear a face mask when I go into a building where there are other human beings, with the exception of a restaurant, or makeup artist.
Outside, I only wear the mask in crowds, where the 2m distancing can’t be guaranteed.
Much better safe than sorry.
COVID-19 is not just another cold – you cannot predict the effects it will have on you.
Your call, but for pity’s sake, don’t pass it on, especially to someone more vulnerable than you. You could kill them, or their grandmother, or…