Why should I have to wear s mask when I don't have the virus and keeping my distance?

Because it's impossible to keep your distance on public transport.You also have idiots in supermarkets who ignore warnings.

You need to follow Rumsfeld on this - whether you have it or not is one of his Unknown Unknowns. So until you know, mask up and shut up.

If your using Public Transport in the UK, you have to wear a face mask (of some sort) or you'll be fined £1000.  Many people don't even know they've got the virus (the lucky people), so wearing one will protect those around you, who if they catch it, could be hospitalised or become quite ill.

Nobody wants to see your face.

You may not be always far enough from everyone. You may unwittingly come into contact with a Covid 19 person and get the virus from him. What is disturbing is that that person who had contracted the virus may not even know it yet as he wouldn't show any symptoms until a few days later.

So it is better you always wear a mask.

Masks are a complete waste of time and cause more harm than good.

How do you know you don't have the virus? Even if you have been tested and showed negative that was at the time you were tested and could have immediately become infected on your way home from the test.

Also you could be feeling perfectly fine and have no symptoms almost 50% of those who have had the virus had no symptoms and did know and could have unwittingly infected others they came into contact with.

The rules about wearing a mask and social distancing are to protect you as well as everyone else. 

I don't think wearing a mask is compulsory i see lots and lots of people in my area without masks.   Why don't you stop wearing a mask? 

You don't have to. You only have to wear a mask on public transport as it's near impossible to socially distance on a crowded train/bus.

Because you don't really know you don't have COVID-19 and keeping your distance hasn't proven to be enough to keep the public safe.