| Wheldrake |
Pathfinder Maps Subscriber; Pathfinder Roleplaying Game Superscriber
AFAIK, only rogues can get the quick fix on their skills to advance them quickly. Everybody else has to wait for it. As a fighter, you get a skill increase at 3rd level. That's your first opportunity to get to expert in a skill.
This said, animal companions aren't nearly as useful as they were in PF1.