Dealing with a stressful situation whether personal or professional can either stop you in your tracks or propel you into action. It's important to take a step back from the situation to identify the problem and then come up with an action plan for the steps you are going to take. I think it's easier to just go along without addressing the problem but it takes strength to actually do something about it.
Once I identify a problem I find it helpful to think back to a time when a similar situation occurred and how I resolved that problem. Another way is to speak with a trusted friend or to read a book or article on the subject. The important thing is to take action. You'd be surprised how even small steps lead to complete resolution of the problem.