I have a new feature to suggest: double-hearts!

Could you please consider implementing a feature by which customers can distinguish between hearts that mean: either I'd like to stay there/ I am considering this property OR I stayed there previously and I liked it. 

I would LOVE to have such a feature on the booking app because it would help me plan repeated trips to a location: I could distinguish between the places I already stayed at and liked from those I'd like to stay in.

I hope this is a useful suggestion.

Best regards