Is it normal to feel a bit insecure when you start a new job?

I think so. A myriad of reasons could lead to this feeling: a new place, you don't know organisation culture, you have not made friends you can trust,... may be not received your job description, not yet earned hence don't know your remunerative allowances and generally the future is not certain. more

Should I quit my job if I feel overwhelmed and continuously stressed? Have you ever felt the same way?

Re-look at your job description and see how much time you spent of your tasks. It could be that you are not proficient enough. Check if you are at... supervisory level, how much do you delegate. Could there be other sources of stress not necessarily work related? Check your life style. more

Yesterday I had a job interview and they asked me about my biggest failures at work. I didn't know how much honest I should be and what to say or not to say. How would you answer this question?

Convert your failure to strength. For example sometimes delay in meeting the deadlines because of being keen to detail and trying to perfect your... work. more