Because We Can.
44 min train trip into Charing Cross, free. (60+ Oyster)
Visit the boys room, free. (Now all London BR Stns are)
Snapped T. Square, hand held, long exposure. I like the retro look.
Medium latte from favourite barista, free. (Loyalty card)
44 min train trip home, free (see above)
I know how to show MrsS a good time*... ;o)
* It was her idea.