早上起床就在吃屌，刚开始喊痛，嗷嗷叫，到后面让我用最大力操，坐上来自己动：18min。好像每次开始前都很费劲，有什么建议么？
From the beginning he cried out in pain, and then he asked me to fuck him as hard as possible. He sat up and moved on his own 18 minutes.