No it's not harmful in healthy males.
No, it is not harmful to produce sperm daily. The body continuously produces sperm, and it is a natural process. However, excessive ejaculation can lead to temporary depletion of sperm reserves, but the body typically replenishes them quickly.
It's not harmful at all.
No
No it cannot, unless you are allergic to your partner's sperm. But, even then, it will not be harmful, just causing an allergic response of hives.
Yes it kills it
No it is not.
Yes it is
definitely if you are a woman
Not unless he has a STD.
No, in fact the opposite. Impotent males cannot get or hold an erection. If you are masturbating everyday then you are not impotent.
It should not be physicially harmful.
No, not at all harmful and perfectly natural and healthy.