That's a great way to put it.
Yes, positive stress can cause it just as well. I had met the love of my life, traveled to Europe 7 times over a year, gotten married, moved to a foreign country I loved… and founded a new business. Life was pretty good.
Stop, breathe, relax, pace yourself.
One can burnout after a failure as quickly as after a success. However, one might want to get back on the stress train quicker with a success, since one expects a victory rush at the end of the stress which apparently made the stress worth it.