A follow-up, if I might.
When I face an active male poacher, I like to lob sometimes. Trouble is, I cannot set up for a topspin lob and execute it if I crowd the service line. I need some time. Also, the closer I am to the net, the greater the chance I will knock it long.
If I dropped back to the baseline to receive serve because I was planning to lob, would you notice that I was no longer crowding the net and anticipate the lob?
-- Random Error Generator, Version 4.0
-- Master Moonballer