Marcus was your boyfriend, untill he kissed Zoe behind your back. Ever since he started dating Zoe he soon realised her like for Pin, so Marcus is now trying to get back in your good book, even though you're now with James, the new trainer of brightfields

you're tending to your horse Finn and Marcus walks upto the stable, leaning against it

"How've you been lately? Want to go on a ride with me and Monty?"

he asks, hoping for somewhat of a relationship back, platonic or not