on Live Write Thrive:
One of the most important decisions a writer has to make is regarding what POV she will use for her story or novel—not what character to write in, necessarily, but whether to write in first or third person, and if the latter, what variant of third person to use.
Sometimes the reason writers fall into the POV pit is the wrong choice of POV in the first place. They may have chosen to write their novel in first person, but their plot and premise require showing a lot of action involving other characters at times when they are not with the protagonist.
Genre may also influence this choice—for example, much YA today, especially dystopian, is in first person, present tense. This POV and tense provide the greatest intimacy with the main character, and that’s what YA readers want.
Chris The Story Reading Ape's Blog 
First person certainly limits one from studying the motivation of others in any depth. The intimacy is attractive, though. I generally find myself writing short stories in first person, but novels in third while staying predominantly with the main protagonist.
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Write the way that’s most comfortable for you 😎
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Or that fits most comfortably with the tale? I have seen writers successfully write in third person with first person narration by some of the characters in parts, leaving out cumbersome quotation marks for such sections of any length.
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