you may not feel the a very great result of bitcoin, so you say take full time in bitcoin very risk.
I'm sure if you can get a very big result of bitcoin, and it exceeds your job, you might decide to take on full time in bitcoin. but in my opinion anyway, depending on your job. if you feel comfortable and you love your job, ok it's better not to leave it
In my part, if I will force to full time on bitcoin job I can surpass my monthly salary in my real life job.
But of course, are you willing to spend your bitcoin regularly if you are only relying on your bitcoin earnings to support your everyday needs? Of course hell no! You are wasting some of the profits when the price hits some rally.