Write the next sentence in the following story.

How to avoid smiling at inappropriate times
Ask a friend if they've noticed your inappropriate smile.
Choose someone who you've been in some uncomfortable situations with. These are most likely to be the times you've smiled inappropriately.

Options: -- Say something like, " i'm trying to practice looking your best. Do you think maybe i could do a reverse smile? " Communicate your mistake.; -- Talk to a mutual friend or family member in case one of them has noticed your inappropriate smiling. If someone you talk to says something like, " hello, joe.; -- Even if you're positive that you smile inappropriately, it's good to ask a friend. They might not have noticed, or the problem may not be as bad as you think.; -- This may be a stranger at work or on a bus ride. Or perhaps it's your teacher or a colleague from class.;. The answer should be
Even if you're positive that you smile inappropriately, it's good to ask a friend. They might not have noticed, or the problem may not be as bad as you think.