What is your least favourite thing about Facebook – the most popular social networking tool in existence? I would have to say, just barely beating the 12 engagements a week which are really just a reminder of how lonely I might be someday, it is undoubtedly the mushy, gushy, self-taken photos of a lip-locked couple. That’s nice, I’m happy for you, but do you really need to plaster it all over my newsfeed? But when did a couple in love start to produce this shuttering, nearly vomit inducing feeling? Certainly artists from the 15th century and beyond were able to find beauty and romance in such imagery. How many of…