Respond in kind, to those who took the time to comment on your hub and welcome you here.
All other condiderations aside, rating, key words, google......etc..........THIS is about a community interaction.
This is about building and perfecting your style, learning what matters to your readers ( though not a popularity contest), this is a field for growth as a writer. You can not grow and learn without those who give you encouragement and feedback.......
Even a weed needs more than mere dirt!
Welcome to HubPages, you are in the company of many good people and writers.