Her smile grows wistful, as if she knows nothing like that will ever happen.
Her voice grows wistful when she talks about her childhood.
She grew wistful and seemed to wander off into her past.
Matthews grows wistful when he talks of life, in the distant future, after Vietnam.
Jean's eyes grew wistful while she looked at him and told him her plans.
But when the kiss ended, his face grew wistful again.
He looked at her, questioning, and her face grew wistful.
His smile grew wistful when he recalled the early years.
They might grow wistful for a wrinkle or a frown.
Kayla's smile grew wistful as she watched him depart, then followed more slowly.