When British people write X after everything, are they being serious or trying not to be awkward?

I used to put xxx at the end of my statuses on Facebook. Then to be polite to my American associates...
I used to put xxx at the end of my statuses on Facebook. Then to be polite to my American associates...
Procter & Gamble plans to cut non-manufacturing jobs as it seeks to compete in what the company call...
A new model suggests that astrocytes might be used in computation, coordinating with neurons and con...
Consumers can contact Midea for a free repair or a prorated refund of the recalled air conditioner m...
Ancient genetic variant helped humans grow taller and burn more energy when ancestors started eating...
Every living thing has a limited life span. Not to mention species other than human beings, we live...
Why must ppl always insist on consequences with everything? Why cant there be functioning “addicts”...
Southwest Nebraska Public Health Department (SWNPHD) has received reports of three cases of tularemi...
Persistent fatigue and headaches can have various underlying causes, including sleep disturbances, s...
The LSU vs. West Virginia Super Regional start time has been delayed for a second time on Sunday due...
Researchers were surprised to find giant gas planets orbiting quite near to their stars. Yet novelis...