Now Sadie understands, and she is still amazed at how lucky she is to have Ben as her partner, "Oh Ben, that is really very considerate of you..."

But she is also, maybe, a tiny bit amused that Ben, the smartest person she has ever met, has seemingly missed out on the most simple of solutions. Sadie bites her lip as her ears wiggle. She won't laugh at Ben, this was a serious moment of vulnerability from her boyfriend. And yet...

A giggle slips from Sadie's lips, followed by an inelegant snort as Sadie descends into giggles, face hidden in his shoulder,

"I can go on top!" Her muffled words are just about understandable as she laughs.