For someone with a family, like a young child, what should you consider before deciding to join the Navy and attend Nuclear Power School?

Is it worth signing up for a lengthy commitment like six years in the Navy to attend Nuclear Power School, and what can you gain from it?
Would you donate to a US House candidate being heavily outspent in a district dominated by the other party?
Have you ever made peace with something that you never truly got over?
Will a UK-EU scheme allowing young adults to live, work and study on either side help rebuild ties lost after Brexit?