Mold or Mildew on Fabric Couch?
Get a personal steam cleaner (dirt devil) its takes some work but it will get it done.
Children and Long Hair?
No dont cut it. Put leave in conditioner in her hair after she towel drys her hair after getting out the shower ... makes it easier to brush. You can buy some at Walmart for around $4. Start at the bottom of the hair and work your way up when brushing.
Chihuahua's Ears Not Standing Up?
My chihuahua ears didnt stand up untill he was like 5 months. Just give it some time. Now if I can get my male dog to lift his leg when he pees, haha :) .