The nomadic halflings aspect from 3e is in there too. 3.5 PHB: "Halfling clans are nomadic, wandering wherever circumstance and curiosity take them." 3e halflings are also kender-ish in a way that 5e halflings are not: "Halflings prefer trouble to boredom. They are notoriously curious. Relying on their ability to survive or escape danger, they demonstrate a daring that many larger people can’t match."The write-up for D&D halflings is part Took-halfling (curious and willing to adventure) and part-non Took halfling (homey homebody who loves food and comfort)
The Hobbit presents Bilbo's Baggins half (from his father, Bungo) and Took half (from his mother, Belladonna Took) as being in internal conflict with one another:the two halves operate at cross-purposes.
The Took side had won. He suddenly felt he would go without bed and breakfast to be thought fierce.
Many a time afterwards the Baggins part regretted what he did now, and he said to himself: "Bilbo, you were a fool; you walked right in and put your foot in it."
The Tookishness was wearing off, and he was not now quite so sure that he was going on any journey in the morning.
"Don’t be a fool, Bilbo Baggins!" he said to himself, "thinking of dragons and all that outlandish nonsense at your age!"
Somehow the killing of the giant spider, all alone by himself in the dark without the help of the wizard or the dwarves or of anyone else, made a great difference to Mr. Baggins. He felt a different person, and much fiercer and bolder in spite of an empty stomach
"Dear me, what a fool I was and am!" said the least Tookish part of him. "I have absolutely no use for dragon-guarded treasures, and the whole lot could stay here for ever, if only I could wake up and find this beastly tunnel was my own front-hall at home!"
The Tookish part was getting very tired, and the Baggins was daily getting stronger. "I wish now only to be in my own armchair!" he said.
Tolkien mostly admired his hobbits – The Shire was drawn from his childhood in rural Warwickshire – but he considered their insularity to be a negative characteristic. Letter #131: "They [hobbits] are made small… partly to exhibit the pettiness of man, plain unimaginative parochial man".Also, what does it say about Tolkien halflings that they seem to view adventure as something one weird family does?