You shouldn't expect your coworkers to pick up your slack.
Lisa works at an accounting firm.
Lisa wants to work on a consulting business on the side.
Lisa schedules firm work during the week days and consulting work on the week ends.
Lisa neglects her firm work leaving it to junior associates to complete while she focuses on consulting work.
Lisa is able to complete all her work at the firm and for consulting at a high level of quality which pleases all her clients.
Lisa's firm work suffers from lack of oversight and displeases the firm's clients.