Many do,yes. It's a very intimate and personal act, and often gives pleasure to both the giver and receiver. There is no harm in it, and can be used as an effective means of Birth Control if so desired.
Some do, some don't. Most of them do, though.
There are no known side effects of handjobs. You can get orgasms and ejaculate by handjobs, other than that, nothing.
There is no such thing. See "Fiction"
Sure, but handjobs are fun too. I used to give my man handjobs while we watched movies, or whne he would drive me to school. When the choice is handjob or no sex at all most men would choose handjob. Women aren't always up for oral just because he is.
all defects of man doing that do more handjobs is watching xxx movies
Yes of course,they like to insert the nozzle ans see the water pouring
Handjobs warrirros
Maybe they do,maybe they don't.
by giving women leadership opportunities
I think very rarely. You can enjoy watching your partner enjoy it but it takes skills and and most women find it uncomfortable.
Get approximately 20 of your friends that you're comfortable being naked around, and one female. Have her take turns giving oral sex or handjobs to the fellows around her, and once each of you is ready to ejaculate, do so on her face.
If your girlfriend is wearing latex gloves while touching you, both she and you will be protected from any skin to skin disease transmission. However if one of you has a latex allergy, there could be problems.