Can't really say I get it, but I sort of get it.

[Someone who can travel to different worlds? Man, that sounds totally awesome, to be honest. Though he's sure those kind of things always come with responsibility.

Like one time a guy from the future dragged him to find Yugi Mutou in the past.

Again.

Time is a confusing concept to him alright.]

Well, guess until you can figure things out, you can travel with me!

[In case the sentence she spoke earlier meant that she's going to be staying the city.]