[... there is a pause as he wonders if Bilbo is secretly laughing at him. He totally is.]

I merely meant that the both of you were very close, inseparable, but when I had time to speak with you in separate company, I did enjoy it. [Even if most of it ended up being the hobbit awkwardly wanting to know about dwarven courting customs. Thorin probably never had a relationship in his life, wrong person to ask.]