I’m in tha same situation and its really hard. You have to switch your mind into a consistent mode and remind yourself everyday that obstacles,bad days are doesn’t matter,you have to want badly. I usually watch a motovation videos.
This is can be happen. Sorry for bad English. I'm just learn this language. I think my answer is not anormal.Sorry for that
If you have a full time job and children you will never reach your goals as you have become a slave to your children and your boss. It’s impossible.