The long coat of the Havanese is pretty forgiving when it comes to shedding. They require regular brushing to prevent tangles, and this pretty much deals with the shed hair.
Dogs aren't meant to "graze" on their food—it's not their instinct, Plus, food that's left out all day may go bad, which definitely isn't good for your dog.
You need to firmly, but not harshly, tell them to not use your shed without asking. If they continue, then consider locks. If they choose to sever their relationship with...
It really depends on the character, the scene, and fellow actors. For example, if you were in a scene in which your character's name was Mary, and Mary's husband just...
Guinea pigs are more like people, in that their hair falls out as part of a natural cycle. Thus you will see some hair 'shed' but it shouldn't be excessive.
The Havanese have a gentle, eager to please personality. This makes them highly responsive to reward-based training, so with patience and commitment, they are quick learners.