My solution to this depends on how confident I am that my choice is correct. If I know these shoes are "perfect" I will simply buy two pairs. If I'm unsure I'

My solution to this depends on how confident I am that my choice is correct. If I know these shoes are "perfect" I will simply buy two pairs. If I'm unsure I'll go back a week later for a second pair. It doesn't stop me from needing to buy new shoes, but it does postpone the process a little!