Guelph is an amazing school academically and socially. You will be able to conduct cutting-edge research, surrounded by people who passionate, intelligent and supportive. There are so many social events and opportunities so don't be nervous to join clubs, teams or come out to social events!
I loved being a PhD student here. My advisors and labmates were all very supportive of my research endeavors. I enjoyed being in charge of my own research project.
I would tell any prospective grad students to visit the campuses they are applying to, and talk to students in their program(s) of interest! A major factor in my staying at Guelph was the campus community, and knowing that I would be supported throughout my studies in not only my academics, but also through the social atmosphere on campus.
Identify your passion and reason(s) for wanting to become a graduate student. Write them down, type it up, post it large and visibly on your desk or wherever you do your work so that it remains a constant reminder of why you are doing what you are doing and will motivate you through the hard times that every graduate student has and does go through, so that you can always see the light at the end of the tunnel.
Choose a supervisor who makes you excited about your project. There will be times when your project does not go as planned and reminders of that enthusiasm and why you are doing the work are crucial to continuing through the hurtles.
A right step taken at a right time completely changes your identity. I won't say that your academic journey will be easy, but I am sure it will be worthy.