Likability is the shortest path to believability, trust, and effectiveness.
It is also the easiest path to influence others.
It may be worthwhile to reflect on this one quality above others—the quality that prompts people to do what you would like them to do.
Three practices are most productive in this regard. They are (1) communicating in POSITIVE, rather than in negative, terms; (2) showing OPTIONS that are available; and (3) REFLECTING on how to overcome objections.