I don’t own these gifs
These two could pass for father and son if we didn’t know they were uncle and nephew. Fili does have a different face shape, but the eyes, their movements… Fili must have looked up to his uncle when he was a wee lad because you can tell how much he adores his uncle. I feel like he would do everything just like him so he would one day grow up to become the dwarf everyone talked about. Thorin was that father figure for him because little is known about Dis’s husband. Fili would do anything to make his uncle proud and would do anything to make sure nothing happened to him. The importance of family is strong in these two characters. It really shows throughout the series of films. But I also feel like Thorin wishes he could be twice the dwarven man as Fili. Fili doesn’t get the dragon sickness when he sees all the gold after they get Erebor back. He just looks at it as if the whole journey was only for this, plus he almost lost his brother. Thorin sees this in Fili and sees how much his nephew has grown and knows that one day he will be king because that’s the man he wishes he could be. Fili could possibly be a reflection of Thorin from when he was Fili’s age and Thorin just wants the best for his sister’s sons.
I’m sorry if that just sounded like a whole bunch of rambling.