Oh Finn, let him tell you how useful a lightsaber is at defending your loved ones from a horrible inevitable fate. Or not, he'd rather not think about it.

"It is acceptable." Mostly it's good for Finn, he's not all that bothered by a little time in the vacuum of space. One of the perks of being him. Anyway, with that he ignites his saber and opens the door so he can breach the hull.