This comes up because of an issue I had last week where I wasn't listening -- though my wife tells me that all of the time -- to my body. The kids and I were at a friend's farm hanging out watching a movie while the wood-burning stove. As we were watching the movie, I started to get cold, so I moved closer to the stove. After I'd warmed up, I moved back to the movie where I would soon get colder than before. Repeat about five times. I spent the night freezing and with a massive headache.
It wasn't till 5 AM (0500, for those that know how to tell time properly), that it occurred to me that I was in the midst of dehydration. It was the classic example: headache, abnormally cold, and parched. Of course, I wasn't paying attention. Eight glasses of water, a couple of Tylenol, and a number of hours later, I was feeling close to normal.
If you are in a situation that is getting worse with time and is unlikely to improve in the relatively near future, you need to consider your alternatives. Perhaps those alternatives include minor adjustments such as leaving for work earlier to avoid traffic, having a talk with your boss/spouse/friend, looking for a new job, or even considering a complete career change. It seems to be too rare that waiting it out is an effective tactic. You'll end up bitter and frustrated, which doesn't only effect you, but those closest to you.