Sekkaku Tōkyō-ni kita-n-da-kara ... (Since you came all the way to Tokyo ...)

Situation 1: Mr. Okubo's brother comes to Tokyo from Fukuoka on a business trip and visits his house, but says he can't stay long.

大久保： せっかく東京に来たんだから、ゆっくりしていけばいいのに。