I just picked this game up, tips?

I'm taking a break from my normal game, if you like survival games, go check out r/thelongdark. ANYWAYS, this game popped up on gamepass and I played most of the day yesterday. I'm really liking it so far. How long is the game? I know I'm not too far in, but I already and sucked into the idea of having a GIANT fishing boat. Is there a cap to how much you can expand it? How freaky does traveling at night get? Is it dangerous or just creepy? Is there a way to improve your panic resistance besides more light and the one book? How crazy do the monsters get? I've only dealt with the one for the family crest. Can you actually fight them? Like I said, I more interested in fishing and building up my boat. Any tips without too much spoilers? Cheers fellow anglers!