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You're correct in your assumption that they do not share the "feelings" or affection statistics.

1. There is a limit to one Cartel Pack or Gree Reputation "spaceship pet" and one non-spaceship (creature, droid) pet out at a time, in addition to your active companion. There is no effective limit on how many you can own.

2. They cannot be levelled or upgraded at this time.

3. The training droid is an item rather than a pet, and does not join in combat but simply can be used to place an effect around your target. There are no pets that provide combat damage or anything outside of audio/visuals at this time, and doubt they will add such features since our companions fill this role.

These items are mostly for visual appeal and to add to the game world, possibly for role-play elements as well.

Hopefully this answers your questions Matthew , may the force be with you....

it has both, but what sets this game apart from other MMOs is the storylines. So basically you could say the 'end game' is playing another char and enjoying its storyline. 8 classes, 8 storylines. So in that way, this game is much more focused in the journey than in the destination.

Because, let's face it, if what you enjoy is doing the same dungeon over and over and over for a chance to complete your 'pink armor set', WoW is a better choice for that :)