大娘自带手机膜只愿付2元手工费，称有精神病

Group 1 - The article highlights a humorous incident involving an elderly woman who went to a mobile phone repair shop to apply a screen protector she brought herself, but the shop charged her a 10 yuan service fee, which she found unreasonable and only offered 2 yuan instead [2] Group 2 - The situation escalated when the elderly woman claimed to have a mental illness when the shopkeeper insisted on the fee, showcasing a comedic misunderstanding [2]