While I am no expert, i would not read into it to much. The dog is still very young. With that in mind, maybe try to make it more fun him. At that age i feel it should still be about fun. I'm sure someone here with more experiance will chime in. Good luck and enjoy the ride.
Proudly Owned By A CBR Wildwood's Slow Poke Blue Wing Timber
2016-2017 Season Recovery 94% Days Hunted 11
2015-2016 Season Recovery 93.7% Days Hunted 34
2014-2015 Season Recovery 100% Days Hunted 30
2013-2014 Season Recovery 89.5% Days Hunted 42