Do you grow to a maximum size in water? Or do you just keep growing the longer you stay in contact with water? If the latter then I think glowing in the dark is the less inconvenient option.
What helped me overcoming FOMO was just missing out on stuff online or in online games on purpose and realizing that I didn't actually missed out on anything.
Being vegan, every time I buy clothes or want to get some food when I'm out of house.