Okay, first there is a bonding bar of sorts but you don't see it. As Vic stated your beasts can & will turn on you as i've had it happen twice. You definitely don't want it to happen during a massive battle especially with Scar or Bloodfang. Here's my advice stop every once in a while and pet the beast you're using because during fights you're going to hit your beast it's unavoidable & the pet option is there for a reason. As to the feeding animations with the last patch once you hit the button to feed or heal you can just turn and go about your business.