this tattoo is a reminder for him to live his life to the fullest whenever he feels down.
hyunil always overthinks too much, he's been trying to stop overthinking because he was always too afraid to do anything because he of this but it didn't work out, he still overthinks.
this doesn't have any meaning, he just thought of it and the next day, he got it tattooed.
he was drunk with his childhood best friend, they woke up the next day with this tattoo.