sorry charity – not sure if this is the place for trainers/behaviourists to debate theories ;D ;D but I would like to understand your reasoning about this not being a phase with a dog that has yet to reach adulthood. (only because i get obsessive about these things :D)
behavioural endocrinology studies have clearly determined the effects hormonal release has on learning, with change in the intensity or the probability of behaviours being sustained or learned. the hormonal messages being involuntary, cannot be controlled and their presence effects early learning development and memory capacity. once the dog has learned to cope with the sexual stimulus produced by the hormones then normal function returns – this may be sporadic over time in a pattern as fewer synaptic connections are being made. is this not therefore what most people would call a ‘teenage stage’?