Embarking on the fourth year of a PhD in biology is a milestone that brings a mixture of excitement and reflection. As someone who has completed over 70% of the journey, I can say that this phase often feels like a turning point. You have invested so much time and effort into your research, yet there are still hurdles ahead. One thing I have learned is the importance of pacing yourself and celebrating small victories along the way. When I’m feeling down, reminding myself of the significant progress made—like being more than halfway through the PhD—helps boost my morale. It’s common to face moments of doubt or sadness, but acknowledging these emotions and sharing them with fellow PhD students can be comforting. Biology, especially fields involving insects and other small organisms, demands patience and curiosity. Each experiment, no matter how small, contributes to wider scientific understanding. I find joy in observing tiny creatures like beetles and snails up close and appreciating the complexity of life at a micro level. Balancing personal life and research is crucial. Throughout these years, I’ve found that connecting with other PhD students, especially in biology, creates a supportive community. Sharing experiences, challenges, and tips helps maintain motivation and mental well-being. Looking ahead, the final year involves consolidating research findings and preparing for defense. Staying organized and maintaining passion for the subject keeps the journey rewarding. For anyone in a similar position, embrace the process—it’s not just about the destination but the growth and knowledge gained along the way.