How do you know whether you have something valuable to say? How can you determine whether others will find value in what you offer?

Music philosopher, humor theorist, burgeoning Street Fighter player and wannabe Dad. Seeking harmony.
YouTube: www.youtube.com/@clementcomposer
Mastodon: www.zirk.us/@clemency
How do you know whether you have something valuable to say? How can you determine whether others will find value in what you offer?