потратить не один час на то, чтобы окончить проект(but doing so frequently brings more problems and is not sustainable for very long. Definitely give the job your all. But on a day-to-day basis, if you can't get it done in 10 hours a day, you aren't as effective for your company or your family. Your productivity and your work quality will be greatly diminished. Alex_Odeychuk)