You two are making an awful fuss about this despite having lived so long.

[ Though the goddess doesn't seem offended at Owen for now. ]

Then it's rather simple, isn't it? Just don't break the promise. If that child would like to follow you to your homeland, then he can. If duty calls and he cannot, marriage is not null and void just because you are across worlds. Remain faithful to the one you have exchanged vows with. If you cannot do that, then I might have overestimated both of you.

[ Even though in the goddess's opinion, that standard is below the ground. ]