You should jack off your dog once a week to prevent prostate cancer.

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>>2328109

>>2328109
why not suck it off? why not once a day?
why not let the dog mount you?

>>2328117
If you want to

http://www.dpca.org/BreedEd/articles/40-health/298-prostate-disease-in-dogs

http://www.newscientist.com/article/dn3942-masturbating-may-protect-against-prostate-cancer/

>>2328119
but dogs masturbate by themselves
https://www.youtube.com/watch?v=JGMPurPtNVQ

>>2328120
They need to 'knot' in order to ejaculate. Dry humping does nothing. To do this you need to hold behind the bulbous part of the penis and continue to hold for some time after he stops humping.

>>2328109
Does prostate stimulation work?

>>2328122
yeah Im not doing that

When your dog dies of prostate cancer you only have yourself to blame