This reminded me that someone recently said that when you get overwhelmed or are struggling use the one minute rule. If it takes a minute or less to do a job then do it straight away, regardless of how you feel. This way things won't build up to unmanageable levels to overwhelm you.
Some great tips here.
The curious thing about the rule of a minute is when you finish that task you realize that it was not as difficult as you thought. Without a doubt, it is an excellent technique.