1- So far, the only result from the friends-list I've seen is a boost in squids; Are there other game-mechanics tied to the feature?

2- today I noticed my friend-glads from several stables no longer provide the 1x squid-boost, but the 0.5x like a random ally. How come?
My guess is, it's due to inactivity on those stables' end, but I'd like to know for sure.

3- Is there a way to see unanswered friend-requests, standing out? I have the feeling I have 1 stable fewer on my friends-list than the amount of f-reqs I sent out.
If there's one, still unanswered, I'd like to reclaim it, so I can send it to another stable.

Thanks in advance for answering.