After a long struggle with focusing in my mathematical studies I found out that if I use the Internet very irregular, like once every 4 days, I can be productive and enjoy mathematics.
My question is are there jobs involving mathematics out there were I only have to use the Internet very irregular? I hope you can answer my question!
If you enjoy mathematics, you might consider becoming a mathematics teacher. I don't think that requires regular use of the Internet. Your ability to focus on and enjoy mathematics for itself would be good for students, at least some of them, and even a few responsive students can make teaching a pretty satisfying occupation.