Downton Abbey [Season 6]

— I suspect she's quite a tough nut.
— And I'm quite a tough nutcracker.

— You've a very poor opinion of your fellow man.
— I have the opinion that life has taught me.

— Well?
— Well what?
— Mary, the last time I saw you, you threw me out for saying I loved you. Now you've whistled and I'm here, but I don't know why.

It's good to be in love, whatever age.