I keep my males with my females until I notice that she is gravid. Once I see that she is, ill remove him so that she can get as much piece and quiet as possible..and I will place him back in with her for a few hours once a week, to give the eggs a better chance to fertilize.
But id definitely leave her by herself...she's "in a delicate condition" and needs her beauty sleep 
~Crystal
ps: ive also noticed that some of my females take longer to lay if you place another leo with them.
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Crystal Light (Yes..that's my real name)
&
Dusty Windom (Yeap..that's my real name, too)
*Whenever you lose a gecko, just think of it as God building on his own Leopard Gecko collection 
