I am a post-pubescent high schooler who recently sustained an injury to the penis. While I was playing lacrosse, I was checked in the penis. Basically, someone used their stick and accidentally hit me there. I was in pretty severe pain for about 20 minutes, but after practice I was pretty much fine except for a little sore. I woke up in the morning not feeling sore, and without any swelling or bruising. A few days passed, and I realized that I hadn't had an erection in a while. I am unable to get blood flow to my penis for an erection, even after watching porn. The injury happened 4 days ago, and I am debating whether I need to see a doctor, or if I will recover normally and shouldn't worry. Thanks