Parallels.

Gardening and sex are about equal in my book.

They both require care. Sometimes you need to be tender and gentle, sometimes harsh and forceful. They both make you smile and they both make you feel blissful. Often you find yourself in an unusual position, giving it your undivided attention, but equally as often you find yourself doing the same enjoyable easy things repeatedly, and without really thinking about it.

Sometimes they're spontaneous, sometimes you plan exactly what you are going to do. They both have a deep rooted and many levelled purpose in life, but are equally as enjoyable when just done for fun.

They both make you sweaty, and if you do either of them for a long period of time you end up aching, and tired, yet satiated.

They both make your hands dirty if you're really doing them properly.

They're very easy, they're accessible to anyone, and you don't really need to know much in order to be good at it but paying attention to any information you're given can only help.

And, of course, they're both at their most wonderful when done with someone you love.