Having a potty place and him being able to use it independently and whenever is a good thing. But golden retrievers are energy packed and need a lot of mental stimulation in the up-coming “teenage months” , he will bite everything and anything that comes in the way. You’ll have to ensure sufficient exercise and playtime for him to not indulge in biting and chewing wood/furniture.
Health Tips
Keep small things, pointed things and any potential toxic material(medicine, needles, wrappers, chocolates and grapes) etc out of reach.