In the dimly lit classroom after hours, Professor Silva, a rotund and jovial man, finds solace in his oral fixation. With a mischievous glint in his eye, he savors the taste of knowledge, quite literally. His tongue dances around the words on the chalkboard, each syllable a new morsel to be relished. His students, unaware of his unique pedagogical method, listen intently, drawn in by his animated delivery and the unmistakable passion that drips from his lips.