I have never had mono or symptoms of mono, but my friend who I have made out with quite a few times this week is showing symptoms. He was a little sick before we made out, but this week he has been going in and out of sickness. He has had a bad head ache occasionally, sore throat, coughing, and today his temperature sky rocketed to 101.4. He feels heavy and it's difficult to move around and he also has a sore throat. Could I have done this to him?