Should we continue? Yes, in the long term we'll always win. Its a matter of how much leverage. Remember my wife also has her own account that is not leveraged, except for what we borrow for groceries. So I have the higher leverage playing account. I don't over think it, just keep DCA, extract what you need, send it to your spouse, and boost what you use. It's tough to leverage when it's low, but its probably the smart thing to do, It's easier to leverage when price is up, but it's not the smartest thing to do but the greediest thing todo.
Build experience doing this, it might hurt sometimes, and sometimes you'll do well, but you'll learn what is good for you. Sometimes you don't need to boost all the time and just wait for market to come down, then its up to you if you, to feel its if you can actually pull that trigger when the market is actually down.