As the original “Pinoy Big Brother” house prepares to shut its doors for good, the Kapuso housemates of “Celebrity Collab Edition 2.0” said they are stepping back into the outside world with mixed emotions after their historic stay inside the iconic Quezon City address.The housemates said the weight of their experience as the final batch to enter the original house only fully sank in after learning that a new “PBB” house is already being planned and built to give future