i have to say that your mom makes a good point, however, you need to make sure they are healthy and happy in the meantime. all of my birds are spoiled rotten up until the point that they are invited to dinner.
you should make sure they have a good complete nutrition feed with 10% treats...
Manna Pro Gamebird Showbird Crumbles|Formulated with Vitamins & Minerals|5 Pounds https://www.amazon.com/dp/B000QFP5UY/ref=cm_sw_r_cp_api_glt_fabc_QK0PE9YFTFXR0MX36BJH
Here is the link to a proper food from Amazon. Yes Amazon can be slightly more expensive but as stated this 5# bag should last...