Chromium plating on an object will be lighter than a similar object made entirely out of stainless steel. While chromium is valued for its high lustre, this high lustre tends to make the material more susceptible to dirt and grime. Between stainless steel and chrome, stainless steel is the more expensive metal. Sources 1  [+] https://en.wikipedia.org/wiki/Chrome_plating.  https://en.wikipedia.org/wiki/Stainless_steel.
The reason a colleague plays mind games at work for instance might be very different to the reason your partner plays mind games and tests you. The first reason that many people play mind games is undoubtedly in order to get back some control.
It's a myth that most men think sex is just sex. For many, sex is a very important act between two committed people. And just like most women, men find sexual intimacy to be most satisfying within a committed relationship. One reason is that long-term partners know how to please one another better than strangers do.