This is a very good toy for training yourself for a real vagina. My recommendation is to place the toy in some blankets so you can climb on top and thrust into it as if you're having sex. I've certainly strengthened by core a bit this way and when I get back to being with my girlfriend after having to be away from her for months, I think she will appreciate the thrusting power I've developed. Sure, you can just move the toy with your hand, but I dare you to try thrusting into it...I bet it will help you enjoy yourself more and improve your strength for real loving later. Be sure to clean the toy thoroughly when you're done--no soap though because that could hurt it--but isopropyl alcohol can kill bacteria and can be had for very little at any pharmacy.
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