MY NEW AFRICAN GREY

I GOT A NEW AFRICAN GREY 2 WEEKS AGO, SHE IS 4 MONTHS OLD,HER NAME IS "LOLA" THE BREEDER I BOUGHT IT FROM TOLD ME SHE WAS ALREADY EATING ON HER OWN AND SHE DIDNT NEED HAND FEEDING THAT LONG, SO THE FIRST COUPLE OF DAYS I FED HER AT 8AM AND 8PM, THEN I STOPPED GIVING HER THE 8AM FEEDING AND GIVING HER THE 8PM FEEDING FOR ABOUT A WEEK, NOW I JUST GIVE HER WARM OUTMEAL AT NIGHT, BECAUSE SHE WHISTLES AND TRIES TO GET MY ATTENTION, NOW EVERYTHING IS FINE, BUT I STARTED READING ALOT OF THE WEBSITES OUT THERE, IT SEEMS LIKE MOST OF THEM HAD THE SAME INFORMATION, WORD FOR WORD, BUT I ALSO FOUND ALOT OF CONTRADICTION. NOW I READ THAT IF YOUR CAG GOES TO THE BOTTOM OF THE CAGE, OR HE FAVOURS ONE LEG THAT IS A SIGN OF ILLNESS, SHE EATS HER FRUITS, AND FOOD, BUT THAT SCARED ME, AT NIGHT MOSTLY SHE LIKES GOING TO THE BOTTOM OF THE CAGE, AT FIRST I THOUGHT IT WAS BECAUSE THEY HAD HER IN A SMALL REGULAR BIRD CAGE AT THE BREEDERS AND SHE PROBABLY WASNT TOO USE TO PERCHES, THEN SHE STARTED CLIMBING ARROUND HER CAGE AND PLAYING,AT FIRST I THOUGH SHE WAS SLIPPING FROM THE PERCHES BECASUE OF HER CLUMSYNESS, BUT AT NIGHT AFTER I COVER HER UP SHE SEEEMS TO CLIMB DOWN AND SLEEP. IN THE MORNINGS I WAKE HER UP SAYING "GOOD MORNING LOLA" AND SHE WHISTLES, I OPEN HER CAGE AND SHE CLIMBS TO THE TOP OF THE CAGE THAT HAS A LIL PLAYGROUND SHE STAYS OUT MOST OF THE DAY, BUT READING THAT SCARED ME, ANOTHER THING, IT SAID IF THEY FAVOR ONE LEG ITS ANOTHER SIGN OF ILLNESS, LOLA WILL STAND WITH ONE LEG, AT FIRST I THOUGHT THIS WAS NORMAL BIRD BEHAVIOR, BUT THEN I READ THAT AND IT SCARED ME TOO, ANOTHER THING, I NOTICED WHILE SHE IS ON THE TOP OF HER CAGE SHE DOESNT REALLY LIKE HER HEAD SCRATCHED ANYMORE, SHE DID AT FIRST, OR SHE LETS ME WHILE IAM HOLDING HER,......CAN ANYONE TELL ME IF THERE IS ANYTHING WRONG WITH MY LOLA OR WITH THE THINGS IAM DOING??........WHY DO THEY FLUFF UP AND FLAP THEIR WINGS SO MUCH THROUGH OUT THE DAY??