best way to have sex without partner

The "best" way to have orgasm is with gf/ female as it needs lubricated vagina. Masturbation causes repeated rubbing on the male organ which results in heating up of the brain and as a result orgasm out of it does not give desired satisfaction.  No one can go against the nature's adjustment to having sex between a male and female.

How u just suck it boobs or if vagina