My first time masturbating was with my brother. I had heard about it from friends at school, but had never done it or understood what it was. I was fooling around one day and he walked in on me. I was naked, semi-hard, and very embarrassed. He asked what I was doing, and I told him. He told me he’d show me what to do. He took off his pants and showed me his dick. He showed me what he did to get hard and how he stroked. I could see precum coming out of his dick as he did it. Before too long, he started moaning and stroking faster. He grunted and I watched cum shoot out of his cock. I was mesmerized. He then had me do the same to mine in front of him while he encouraged me. I came pretty quickly. It was very hot and we did it a lot more together.