Source: Mashable, Feb 2016
It’s proven that users who use a period at the end of their statements while communicating digitally are often perceived as less sincere. In a follow-up on the same study, exclamation points are perceived as more sincere.
Online dating service Zoosk recently reported on the success of opening messages: A message with an exclamation point was 10% more likely to receive a response.
In Match‘s 2014 “Singles in America” survey, 83% of singles said they judge a person by their grammar.
Think about it: If you’re asked out for coffee and answer “Sure!” rather than “Sure”, your potential date will feel you’re more into the idea. Certainly no punctuation reads as severe as a period: “Sure.”
Greenspan believes there is a balance to be struck between the exclamation point and online flirtation. Too much and you’ll come off as desperate: