Part of it might be the quicksand of changing phrases. One never knows whether to use the language we grew up with or adapt to the new sayings or something in between that we just like.
I just retired from a university and asked some of the students about this. Dating is out. Friendship is in. Not only do the words change the definitions of those words do too.
Maybe we should make our own dictionary here and all of us use that!

We boomers have always been cutting edge so how about The Villages Dating Dictionary. 2012 edition, of course!
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Courtesy is Contagious.
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In theory, theory and reality are the same.
In reality, they're different!