Not only does "feeling good in your hand" have zero to do with how well you'll be able to shoot the gun, it also has no bearing on whether you have the hand size or grip strength to safely load and unload it.
Claude has a point:
"For those who are helping a prospective purchaser, demonstrate the technique but then place the pistol in a sterile (unloaded with slide forward) condition and let them do their own evaluation without comment or coaching.".