Honestly, having followed some Ranvannis on twitter last year, the one thing I can say to AJ and Kai shippers is: thank your lucky stars this was ended by the start of February. The Ranvannis were clinging on till Gio brutally ended their dreams in July by posing with Maura!
And as others have said, when all you have to go on is body language and #barebackrubbing done by experienced professional performers, it is best to cut and run.
You are forgetting the minute analysing of how long they take to like each other's instagram posts!