At this moment it might not feel like you are doing something meaningful, and it would be easy to fall in the temptation to slack behind, rationalising your behaviour with the excuse that this is not what you are meant to be doing with your life. Until you find your vocation, you should always strive to do whatever it is that you are tasked to do in the best possible way. Integrity and work ethic are habits, they have to be cultivated.