You are taking breaks, other than to post on here, aren't you? Maybe a walk around the block is a good idea, some fresh air and a change of scenery is a good idea? Keeping your head so buried could lead to you making mistakes and that'll really frustrate you!
Yes, it's important, yes it's urgent a few tens of minutes away from it won't make the difference and may help to clear that headache of yours.
V. Is always telling us to look after ourselves, what would she say if she read a post like yours?
- Nobody has ever learnt anything important from happiness and success; problems make us grow - Consult your plan, not your feelings - If you haven't set goals, how can you expect to achieve anything?