I know you all have heard this before but my ball python won't eat.

I bought 4 snakes together from the same breeder.All are kept in the same kind of enviroment,same heat,same setup but all in seperate racks.

I received them Sept 9th,2008.

Three have been great eaters and eat once a week and have gained weigh but one female albino has not eaten on her own for 2 months.The others who weighed the same as her are now 150 grams plus while she is still at 62 grams.
There is really nothing I haven't tried that I know of,I have taken and tried every suggestion.
I have tried mice,rats,hamsters,gerbils,asf rat,all sizes pinkys to hoppers,dead and alive.Some were brained.deli cups,chicken broth,paper bags,she spends the night with them and they are still there in the morning.
I am really upset because nothing works.

I did force feed her 3 weeks ago but I donot want to do that again unless it would help get her started.
The breeder did offer to exchange her if I pay to ship her back and at this time I can't afford it and I am kinda attached to her.
Breeder said I was handling her too much so I didn't handle her at all and it doesn't seem to matter.
I really hope someone out there has an answer for me.
Brat!