I don't want to lecture you as you already have so many of them here but let me tell you a story.
I have a colleague here in Sweden. She is good at work and has friends, parents are rich and supportive and being Swedish, of course she is pretty. Other day she came to me and during conversation she started crying. as per her, she was in depression. I was so surprised/shocked that a person with so many blessings specifically living in a country with no load shedding and stuff, how someone can be depressed. After a detailed long discussion with her, we came to a mutual consent that the depression is because lack of Faith.
In Pakistan, we have so many problems but still a poor man sleeps hungry and next morning the first thing he says is 'Alhamdullilah'. He accepts what Almighty has planned for him but he never stops struggling.
It is never too late for CCNA and other certifications. Seek guidance from Almighty and you will see a solution to your problems. May Almighty keeps you away from troubles.