Swallowing semen is not dangerous as long as you are positive your partner has no sexually transmittable diseases.
If you swallow your own semen, then no, you can't get anything new. It's quite safe. It's fairly safe, too, to swallow someone else's semen.
No. When you swallow the semen, it goes to stomach and digested. Sputum comes from your lungs.
After all there is no harm in swallowing your partners semen.
no good mon
yes
The same as anything else you digest
if you want
you can swallow the semen. yes, some people do it because it is a "turn on".
Clearly, yes.
no
Yes