B vitamins are commonly added to energy drinks, many of which have been marketed with large amounts of B vitamins with claims that this will cause the consumer to sail through your day without feeling jittery or tense.
Reluctance is hesitation or unwillingness to do something. When you really don't want to go out in the rain, this is an example of reluctance. reluctance. reluctance. The state of being reluctant; unwillingness. Physics A measure of the opposition to magnetic flux, analogous to electric resistance. reluctance.
refusal. n. 1. the act or an instance of refusing.