Hello,
I've been doing "drop it"excercise with my GSD (1.5 years old).
She understands that if she drops a toy/item, she'll get rewarded.
However now, immediately after picking up an item, she drops it expecting a snack, before I give the "drop it" command. I don't reward her with snacks in those cases. She still continuous this behavior though. Results in general are still varying when I ask her to "drop it" without using any snacks (just on command only), so for now I continue the training with rewards. Any tips?