wistfully

Wistful //(adj.)-//
 * 1.** Full of wishful yearning.
 * 2.** Pensively sad; melancholy.

Wistfully (//adv.)-// In a wistful manner.

"seeking, a little wistfully, for the dramatic turbulence of some irrecoverable football game." ch.1

"I could've done something with my life," he thought, wistfully.

WISTFULLY IMAGE