It sounds like you may of had a ripped condom. Before you use a condom blow it up and look at it carefully for any tears or holes. If you see any don't use the condom.
use a condom
It depends on why it is leaking.
Most stop leak additives do nothing but empty your wallet. Replace the gasket that is leaking.
you either stop doing it or use a condom
Wear a condom.
by using a condom
As long as the semen is contained in the condom and none leaked out, then you should not be pregnant,
how do you stop oil leaking from a 2000 sportster primary cover
it is going to depend on where it is leaking from
No.
Replace seals
if it is not making any noise,or leaking from bottom of pump. Releif hole is on bottom of pump,if leaking replace pump.