So you want to learn cybersecurity?
The knowledge base is available to you. You can do it! Find the time and prioritize the effort. Focus on the outcome. Focus on your why and make it bigger than the effort to get there. There are hundreds of books available. Dozens of free resources. Google is your friend... Or if you prefer, here's a tiny snippet of online available resources:
Many top schools have open courseware such as:
Additional Online Courses...
In addition, there are great free online courses available:
And if you have a subscription (it's worth it IMHO):