a state of nervous tension affecting an athlete (such as a golfer) in the performance of a crucial action -- merriam-webster.
feeling regret beforehand
Request: Today I felt regret before taking a decision. Is it a sign of positive intuition or a sensation that arises from fear or other negative emotions?
sulk
Request: a period of gloomy and bad-tempered silence stemming from annoyance and resentment
level of: I shouldn't be here/now
Priority request. feeling forbidden to be present or to fully "be" in time and space.
heartache
Associated with grief, it is actually about wanting, not loss...