★★★★★
"After 4 hours of sleep, I still closed three deals yesterday. My focus stays sharp even when I'm running on empty. This stuff works."
★★★★☆
"Finals week used to destroy me. Now I can study 12+ hours and still think clearly. My willpower to resist distractions is incredible."
★★★★★
"I make split-second decisions that affect lives. Since starting Thynk, my cognitive endurance during long shifts is noticeably better."
★★★★★
"My code reviews are faster and more thorough. I can push through complex problems without that afternoon brain fog. ROI is huge."
★★★★☆
"Long-haul shifts require peak mental performance. Thynk keeps me sharp when fatigue would normally set in. Safety margins improved."
★★★★★
"I bill $500/hour. Every minute of clear thinking matters. Since Thynk, I'm more decisive and my client outcomes are better."