This will keep your gerbil much happier. However, if you already have a gerbil (s) and introduce a new one, it is likely that they will fight.
[header] How to make your gerbil happy [title] Consider getting two same sex gerbils and not just one. [step] Gerbils are very social creatures and like to live with other gerbils. When first buying your gerbil you should consider getting more than one.