My dog gets super possessive with her toys, especially when playing fetch for too long and she even tries to keep them with her to stop me from getting them. There was one time when we got her a few random balls for her to play with and liked the basketball so much that she tried keeping it with her when she went to go drink from her bowl. She ended up putting it in the bowl and she looked so confused when she couldn’t get a drink and she stared at us as though asking for help. Today she actually ended up putting her tennis ball in her bowl when she got tired of playing fetch: