The Fellowship of the Ring/Support Conversations

Aragorn & Legolas
This pair go way back to Aragorn's early days as a Ranger in the wilds, and the subsequent bond they had developed since Legolas integrated.

Merry & Legolas
This pairing support starts with Merry finding a familiar pair of knives lying abandoned in Mirkwood and taking them for his own. Legolas soon learns that the knives Merry is wielding once belonged to his dear friend, Tauriel. Merry is not aware of this fact until Legolas tells him.

Merry & Sam
These two Hobbits are a bit vitriolic as they spend almost all of their supports fighting to see who makes the better guardian for Frodo.

Pippin & Legolas
This pairing support reveals that Pippin is the first Hobbit Legolas meets since the latter's arrival in Rivendell, and also the first to learn of the Elf's darker side after the Dol Guldur quest.

Sam & Legolas
Sam spends pretty much the entirety of their supports being envious of Legolas' skills and teaching him how to cook, since the latter (being an Elven Prince) had never cooked in his life.