do you think you could explain the poem excerpt about plane crashes? it pulls something in me but I can't understand what

I’ve been grappling with this because it’s hard to put it eloquently. Sort of like… Holding onto the memory of someone through their passions. His brother was a pilot and he died in a crash (I think) and now he’s obsessed with plane crashes. That’s what his love for his brother has turned into and that’s how he loves.