Context: If I could do it myself I would . My mum also asked if she 'd left a white casserole dish at my house , which she did , but only because she said I may as well keep it because she has enough already ! ! So now she wants it .

Question: What may be a fact about their mother ?
Options:
0. They do n't like to cook .
1. They have a bad memory .
2. They are possessive about their tupperware .
3. They hate to bake .
Answer: 1