You can't follow where I must go, he thought regretfully.

But that would have meant dealing with my own issues, he thought regretfully.

Not a bad way of doing things, the high froman thought regretfully.

It was all going to be quite different, she thought regretfully; life would never be the same again.

At least the Centaurs have their own means of transportation, she thought regretfully.

No wonder there wasn't a line at that kiosk, she thought regretfully.

You can 'tfollow where I must go, he thought regretfully.

Not that she'd do anything like that, she thought regretfully.

The dress, she thought regretfully, would never be quite the same again.

Yet, against her will, she missed him and thought regretfully of the time when they had been lovers.