You should be fine, if she is 6 years old she probably has a decent bit of weight on her. Females tend to go off feed this time of year. Just keep offering every 10 days
This is VERY unnecessary, she is a 6 year old snake, going off feed for a while is not going to hurt her.
If she starts to lose a significant amount of weight then it will begin to be a problem and may be necessary. Right now, no it's not but it may be in the future.
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