Anyone have name regret?

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My husband and I are considering naming our little man something pretty unusual that few of our friends and family seem to like (Lysander - Andy as a nickname). People say to go with the name you love and forget what other people think, but I'm worried about regretting it later or having our child resent us. Just wondering if anyone has regretted the unusual (or overly common) name they chose? And if so any advice?