I am going into second semester. Just watch what you say and how you joke.
Women get offended easier than men. A comment that would be thrown off in a male environment becomes a huge issue because someone is bound to be offended. Also women will smile in your face and "secretly" be hurt. If a man is offended by someone, we tend to just ignore the person. Basically...study, learn, keep your mouth shut, and be neutral professional to avoid any problems. It can happen, and when it does you'll find yourself asking "what did I do wrong?". You have to learn to function with a different mindset. Good Luck.