You would be able to wave at each other!

The F suite seats are pretty large and the 'surround' enclosure is pretty high.

You may be able to use the 'buddy seat' (ala footrest at the end) to sit together to dine .. tho reports have been that it is not very comfortable.

And as I recall, aisle and window are slightly off line so that even there the 'talking' would not work well.

Take the center aisle/aisle seats ... what is there to see outside anyhow but clouds (or the moon on an overnight flight).