She had done nothing to encourage him, and it was really a matter of absolute indifference to her whether he loved her or not, so long as he was at hand to take her about.

And she didn't intend to encourage him, either.
Love meant ties and responsibility--Alice proved that clearly enough.
There was plenty of time for love.

Let her flit first.

Let her remain young as long as she could, careless and care-free.

The fact that she was married was just an accident, an item in her adventure.