I love a good laugh but can't do it to order; only at things that I find humorous. Sneering about the alleged habits of others doesn't fit for me.
By the way Inbreeding and incest are not synonymous although you seem to equate them in your own mind. Incest is clearly defined in law, but its definition varies around the world.
I have no special love for the British monarchy but I DO love that photo of Elizabeth & Charles enjoying such an unrestrained laugh together. The sight of people enjoying themselves so much, whoever they are, is pleasing to me and tickles my own sense of mirth and happiness in life.
Here's another example (I find it hard not to smile):
