Smiling man wearing glasses and casual white t-shirt touching his head and looking at camera with cheerful expression isolated on plain gray background studio portrait. People lifestyle concept.

smiling man glasses casual cheerful positive happiness portrait lifestyle male confident friendly relaxed gray background emotions style young adult facial expression smile portrait photography relaxed pose self-assurance fashion happiness concept human casual wear positive attitude individual health wellness face emotion youthful joyful communication expression lifestyle shot confident male modern handsome natural studio close-up person authentic