If you want to date your coworker because you really, sincerely think you're falling in love with them or there's a real potential for a long-term, committed relationship, maybe you should date your coworker.
Se quer namorar um colega porque, sinceramente, acha que se está a apaixonar por ele ou porque existe potencial para um relacionamento a longo prazo, então talvez o deva fazer.