#4 Affenpinschers are omnivores, which can be explained by their increased activity.
However, you should monitor their diet: do not overfeed them, and exclude salt and sweets, potatoes, and flour products. Lean beef, vegetables and fruits, dairy products, and cereals are suitable.
#5 Life expectancy is approximately 11 years.
To make this period as long as possible, keep an eye on your pet's weight, protect it from direct sunlight, avoid jumping, and visit the vet regularly.