Use It Or Lose It

Crosswords are supposed to be excellent exercise for the brain and I've been doing one every day for years ... for fun , I hasten to add.
Then why , given my blogging name , did it take me so long to solve this clue ?
"Some reason a tango is just for one or two players ?" ( 6)
Got it yet ? This might help ...
"Some reason a tango is just for one or two players ? "
Perhaps if I upped it to two crosswords a day ?