Objective: How do I apply long-lasting liquid lipstick evenly?

Which of the following solutions is more sound in terms of naive physics reasoning?

Available choices: a. First make sure your lips are clean and exfoliated. Then use the applicator to line your lips and then fill them in. Hold your lips slightly apart until the lipstick dries. b. First make sure your lips are clean and exfoliated. Then use the applicator to line your lips and then fill them in. Hold your lips tightly together until the lipstick dries.
a.