Yes it is the perfect size

Sometimes your eyes need to have moisture to stop them  from getting tired

Please excuse my dear aunt sally. Pemdas

Lower their health then paralyze them freeze them or put them to sleep. Then use an ultra ball or a ball speicially made for that type of pokemon

It will be fine unless it ate more than four

Most people believe that vampires only need blood to survive, but they also need nutrients that they can't get in blood so they have to eat; fruits vegetables etc.