There have been some studies linking how the body deals with serotonin, and it's different when there is gut inflammation or changes to gut bacteria. I don't really understand it (I don't think the scientists fully understand it yet either) but long story short, there does seem to be a link between gut issues and emotions/depression. I'm definitely the same way when my guts are acting up, I get super emotional and cry at anything and everything. So don't feel bad about it, it's likely just another symptom and it's something that you don't have a lot of control over. Once things get more controlled belly-wise, your emotions should also get more under control. That's usually how it works for me.