God says in the bible thou shall not Lust but you don't obey it so why would you care if He said "Thou shall not masturbate" for?
MASTURBATE
Pronunciation: 'mastu`beyt
Definition: [v] get sexual gratification through self-stimulation
Webster's 1913 Dictionary
Definition: \Lust\, n. [AS. lust, lust, pleasure, longing; akin to OS.,
D., G., & Sw. lust, Dan. & Icel. lyst, Goth lustus, and perh.
tom Skr. lush to desire, or to E. loose. Cf. {List} to
please, {Listless}.]
1. Pleasure. [Obs.] `` Lust and jollity.'' --Chaucer.
2. Inclination; desire. [Obs.]
3. Longing desire; eagerness to possess or enjoy; -- in a had sense; as, the lust of gain.
4. Licentious craving; sexual appetite.
5. Hence: Virility; vigor; active power.
\Lust\, v. i. [imp. & p. p. {Lusted}; p. pr. & vb. n.
{Lusting}.] [AS. lystan. See {Lust}, n., and cf. List to
choose.]
1. To list; to like. [Obs.] --Chaucer. `` Do so if thou lust.
'' --Latimer.
2. To have an eager, passionate, and especially an inordinate or sinful desire, as for the gratification of the sexual appetite or of covetousness; -- often with after.
Whatsoever thy soul lusteth after. --Deut. xii.
15.
Whosoever looketh on a woman to lust after her, hath
committed adultery with her already in his heart.
--Matt. v. 28.
The spirit that dwelleth in us lusteth to envy.
--James iv. 5.