You know you're old and responsible when...
You look out the front door and realise it’s time to buy a lawnmower.
(‘Old’ in that you have a lawn to call your own and look after. ‘Responsible’ in that it’s you who has to do the looking-after.)
You look out the front door and realise it’s time to buy a lawnmower.
(‘Old’ in that you have a lawn to call your own and look after. ‘Responsible’ in that it’s you who has to do the looking-after.)