The fact that she could serve herself and me at the same time would make the idea doubly attractive to her.
It is doubly attractive because it can be chilled.
And the problems associated with delivery were Henry's, not his, which made the deal doubly attractive.
He smiled the clean, wholesome smile that made his strong young face doubly attractive.
The thing was doubly attractive because of its apparent uselessness, though he could guess that it must once have been intended as a paperweight.
That of course makes him doubly attractive to the minionette.
She was so earnest and eager for the seance to begin that she became doubly attractive, because she didn't realize that she was making herself so.
You are free, and doubly attractive now, so beware, or she will entangle you before you know it.
For the Southerners, the genteel society was doubly attractive: They could escape the heat without spending their money in the Northern states.
But their discovery spelt disaster, because unfortunately for the northern white rhino it has two horns - which makes it doubly attractive to poachers.