I'm a very active person in all aspects of my life. I don't sit still, I can't even sit still long enough to watch a tv show. Even my workaholic Commanding Officer tells me I need to slow down. The biggest challenge is sleep. For 3 hours of training you really need to make sure you get 8 hours.
How old are your children? Once they reach a certain age you can incorporate them into an active lifestyle. For example, once they're 3-4+ you can take them out for a scooter while you walk. If they're younger you can put them in a pram and walk. Regular walking is a really underrated exercise for people battling a sedentary lifestyle. When I'm injured I increase my walking to offset lack of exercise. I'm a single father and the way I incorporate my children into a busy life is to make it part of their life. Cooking healthy dinners take a lot of time, so I have my kids in my kitchen learning about cooking so I multitask cooking and quality time.
Finally I should mention I'm quite introverted. I have plenty of friends but I don't choose to socialise often. I also don't have a commute worth mentioning due to living next to base. I know a lot of others have 2 hours per day of commuting and this could be the difference between how I find time to train.
May I ask how do you manage to train 14+ hours per day with a job and kids?
I'm an engineer and would love to train more to recover form the sedentary lifestyle that's taking a toll on my health but can barely manage 8 hours of training per week alongside the job, cooking, chores and meeting friends.