嫉妒是最诚实的告白陪伴是最长情的告白
[jí dù shì zuì chéng shí de gào bái péi bàn shì zuì zhăng qíng de gào bái]
Means 'Jealousy is the most honest confession and company is the longest-lasting declaration of love.' It suggests that jealousy shows true feelings, while continuous presence represents deep love.