Im 19 and My Wisdom Teeth arnt in yet?

im 19 and my Wisdom teeth havent come in yet. i know i have them cause i can feel the bumps where they are and the groves of the tooth on my left side bottom jaw. i dont feel any pain sept once in a blue moon it feels like my jaw clenches but that hasent happened in a long long while. should i do anything? or should i just wait it out. any advice would help.