Contemplating, thinking, thoughtful, musing, mulling, wondering, pondering, considering, worrying, worried, worrisome, worry smiley/emote/emoticon.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)