No problems brothamn... blood in the semen is called hematospermia or hemospermia. Blood can come from an infection or inflammation, in any of the glands, tubes, or ducts that produce and move the sauce from the body. Its more common than people think but men arent normally checking their juices every time they nut so just relax. There are some serious causes that can be behind it like STD or cancer but I would give it a few days and if it continues then its most likely that new raggedy girl you've been pounding that has given you something