I have been out of school for five years, doing welding maintenance for four years and being a wedding host for more than one year. I have to close the door because the boss of the company can't go on. ... First of all, if you choose a career, you must be very interested in it. There are only things you don't want to do and things you can't do, especially things that have nothing to do with your major. You must be mentally prepared to start over. As the saying goes, interlacing is like a mountain. Once you choose, you must work hard. If you are interested and confident in the job introduced, do it boldly and believe in your choice.