be big about

I try to be big about it but can’t help wondering if I’d have a date, too, if I wasn’t walking around on a pipe.

Father summoned Travis and said, “You can’t let yourself get too attached, little man. This is a working farm, and you have to be big about such matters.”

Origami principles were ideal for the task because the lens, called the Eyeglass, needed to be big -- about the size of a football field -- once in space but also small enough to be shot into orbit by a rocket.

Said Mrs. Vanderbilt, whose job on Ranger is "keeping the log": "Surely, we will be big about it."

"Why not both of them?" he asked, like a fellow who was willing to be big about it.