So here’s an unconventional way of catching that certain someone’s eye. The following notice was written in pink highlighter on a sheet of paper strapped to the back of a woman’s backpack, as she cycled off the ferry (I’ve anonymised the address, but I’m pretty sure I have the vagaries of grammar correctly):

To man in Peugeot who smiles at me and follow me to >—plein. I am in love with you.

And power to the pair of them!