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I try to just keep my head down and focus on the work ahead of me. Having people you can talk to can usually be a big help also.

And above everything, never lose sight of why you are doing what you're doing.

Brilliant!

this "never lose sight of why you're doing what you're doing" is my ultimate source of motivation.

I think patience is required in such a situation. If you are facing a tough time then you need to give some time to yourselves.
#freecompliments