the emails we send allow the recipient to judge us solely based on our choice of tone, punctuation and writing ability. ... on the context of the message in which you incorporate an exclamation mark, readers can deduce your mood.
3 Positive reinforcement is most effective when it occurs immediately after the behavior. Reinforcement should be presented enthusiastically and should occur frequently. Deliver reinforcement quickly: A shorter time between a behavior and positive reinforcement makes a stronger connection between the two
