That's definitely a good idea, it seems like you don't really know why it's happening. A good psychologist should be able to get to the bottom of it. I hope it's free where you live as there are many bad psychologists that have no idea what they're talking about. I hope you don't have to deal with one. But, you could maybe check to see if they're any good by googling their names and reading the reviews, if there are any.
New research shows that writing down your emotions has concrete health benefits
New research shows that writing down your emotions has concrete health benefits: [url=http://www.bbc.co.uk/news/health-23637013]http://www.bbc.co.uk/news/health-23637013[/url]
Just another reason to not let your emotions get bottled up.