well maybe I should have said.....

that if she sticks with it she will improve with experience

I am just fine with younger and / or inexperienced agency girls.  I know what I want, and I am able to make up for any lack of proficiency on their part :p  

this girl, Gina -  she's lovely and fun but the newness does show a bit here and there -  but I think she has potential.....

every now and then though I do like a roll in the hay with a mature lady who has built up a reservoir of carnal knowledge