Alpha wrote:If I manifest some uncontrollable urge that's sinful, it's because I gained that habit willfully by accumulated acts.
This statement ignores nurture as well as societal mores, customs, and etc.
Genesis 8:21
21 And the LORD smelled a soothing aroma. Then the LORD said in His heart, "I will never again curse the ground for man's sake, although the imagination of man's heart is evil from his youth; nor will I again destroy every living thing as I have done.
NKJV
OT:5271
na` uwr (naw-oor'); or na` ur (naw-oor'); and (feminine) ne` urah (nehoo-raw'); properly, passive participle from OT:5288 as denominative; (only in plural collectively or emphatic form) youth, the state (juvenility) or the persons (young people):
KJV - childhood, youth.
(Biblesoft's New Exhaustive Strong's Numbers and Concordance with Expanded Greek-Hebrew Dictionary. Copyright (c) 1994, Biblesoft and International Bible Translators, Inc.)
Children are innately self-centered, hence sibling rivalry and the cause of tensions where children gather.