On the news, Boris says he wants to kick start fitness and exercise in England today. He says children should be doing an hour a day of exercise whilst adults should be doing 150 minutes 
Who has two and half hours spare to exercise a day? Apart from that prat with his hired help.
YANBU - you don’t have 150 mins spare a day to exercise
YABU - you exercise for at least 150 mins a day and I’m being lazy and can’t prioritise!