Your mouth, nose, throat, sinuses and lungs are lined with mucus membranes. These membranes contain mucus glands that produce - surprise - mucus. Mucus-producing membranes line specific passages in your body, like the respiratory and digestive tracts, for protection and support.
Explain that even though he has already had sex, it is ok to change his mind.
Suggest that he talk to a trusted adult.
The other options may offend a person
It depends. On average, soda usually has more, but diet sodas usually have less calories. Hope this helps!