干这种事情，跟占小便宜是两码事儿啊。爱占小便宜充其量说这人小家子气，平时跟朋友一起吃饭不掏钱，或者看到免费的使劲拿。偷盗是犯法。

爱占小便宜的人多了，但是偷东西的人还是少数。

另外据我这个外行来推测，十有八九这不是占小便宜。

这不是你说的吗？

小偷小摸不被抓=占便宜

你没说这是违法的啊。。。我还以为你不明白呢。

随便甩给你几个链接:
https://en.wikipedia.org/wiki/Kleptomania
"Kleptomania or klopemania[1] is the inability to refrain from the urge for stealing items and is usually done for reasons other than personal use or financial gain. First described in 1816, kleptomania is classified in psychiatry as an impulse control disorder.[2] Some of the main characteristics of the disorder, suggest that kleptomania could be an obsessive-compulsive spectrum disorder.[3][citation needed]"

http://www.shopliftingprevention.org/what-we-do/learning-resource-center/psychological-studies/
"Shoplifting is clearly a psychological issue for many people. Shoplifting for most individuals is rarely about greed or poverty. It’s about people struggling with their own personal conflicts and needs.

The single largest psychological factor found in approximately 1/3 of shoplifters studied is “depression”...."

我的意思是，这跟你说的什么不申报什么的有本质区别。我不觉得不申报的原因是这个人有心理疾病。

竟然把他的行为归结为爱占小便宜没被抓住所以形成了习惯？

我只能说一句，word妈。