Tang Yun's fiancé

The senior white-collar worker and his wife blushed immediately and lowered their heads in shame. Everyone couldn't help but cover their mouths and laugh. It was such a simple question, but they still had to ask it. It was obvious that they were embarrassed to go to the hospital, so they asked it here.
Lu Xuan said shockingly: "My beautiful lady, you must stop asking for too much, or your husband will suffer - young people don't know the value of sperm, and when they are old, they...