The way you frame information goes a long way towards creating a negative or positive response from your user.
The framing effect, one of the cognitive biases, describes that presenting the same option in different formats can alter people's decisions. Specifically, individuals have a tendency to select inconsistent choices depending on whether the question is framed to concentrate on losses or gains. Pious, 1993
Positive: She sees life as a glass half full
Negative: She sees life as a glass half empty