You can have negative or positive emotions that are detractors to performance (-) or enhancers of performance (+)
Level 1 - negative dysfunctional emotions (-), tired, sluggish, depressed, unwilling, uncertain, sorrowful, lazy
Level 1 - positive dysfunctional emotions (-), quiet, pleasant, easygoing, animated, fearless, peaceful, overjoyed, satisfied
Level 2 - negative functional emotions (+), attacking, intense, dissatisfied, angry, tense, nervous
Level 3 - positive functional emotions (+), motivated, charged, energetic, confident, alert, willing

Source: Mindset Secrets for Winning by Mark Minervini