More than you wanted to know about living and training in Japan. Un-filtered, unedited and purely my opinion
For a lot of people, a few hours a week is good enough for martial arts practice and really that is all that they need. Yet, if one practices outside of normal classes and keep a regular routine of training away from the dojo, it may be surprising how much improvement can be made with a minimal effort. That being said, if one can get a training partner to join up with them only good things can come of it as it motives both parties. For many this is not an option so they usually start out working ...
Some people claim to know what koryu bujutsu is. They have read a great deal on the subject, seen a few (perhaps many) videos on it from BAB, perhaps they even ventured to Japan to train and attended an embukai or two. The despite the volumes of information one can read on the subject, the videos, the seminars or the trips to Japan, there are very few people who actually have an actual understanding of what koryu bujutsu or kobudo is. Those that do however could not describe what they know in it ...