Adjust your class work load (i.e. number of courses) so that you do not get overwhelmed. Take the course pace which goes well with your work schedule. If you do not take this approach then unfortunately, you may end up putting yourself in a situation that you quit college. And quitting college should not be an option you consider at all. Just adjust the # of courses you take. If this means that you may end up completing college in longer than 4 years the so be it. In your life, you will be better off completing college than not completing college.