2 things to note...
the F suite is not really fully private. While you can't see over the divider when seated, FAs walking past can look in.
secondly, the 2 middle suites that get joined as one doesn't really provide a double bed. There's a divider at the same level as mattress, making it mighty uncomfortable, if not downright painful to sleep in the middle, let alone engaging in a twosome activity...