i would say Patience because in the first sentence it says the secret of a dogs success in handling a man is patience
Answer:
long term
Explanation:
"long term goals goals that are the ultimate results desired when a plan is established or revised. short term goals goals that can be achieved in a limited period of time and frequently lead to the achievement of a long term goal."
This is a metaphor.
Similies use "as" or "like" to explicitly denote a comparison and personifications give human-like characteristics to animals, objects, or concepts.
Hope this helps! :)