If while you trade you feel 'off' in any way you're doing something wrong.
Today I see A LOT of people in this market succumbing to what can only be described as 'The way everyone else is feeling', and unfortunately most never realize, or even attempt to realize, that to become the best trader you can be requires you to consistently think, but act in the opposite direction of the herd.
Think about it for a second. If everyone feels 'tired' about this relentless rally, doesn't it make sense from a contrarian standpoint to push your long trades as much as you can?
Yes, eventually you will be wrong and that approach will fail, but you have to strive every day to battle everything inside you that makes you feel like everyone else, and override those emotions and act in the exact opposite direction. It's not something that comes easily to any of us, but after all this business is about the 5% club (i.e. only the very few make money consistently).
It requires a lot discipline, and especially a lot of focus and energy to condition yourself to do what is hard.
If you're feeling off in any way, you're doing something wrong.