derp2.py

#!/usr/bin/env python3

class Person(object):
    def __init__(self, name, loves):
        self.name  = name
        self.loves = loves

    def __str__(self):
        return str(self.name)

jimmy    = Person("Jimmy",    None)
shevonne = Person("Shevonne", jimmy)
jimmy.loves = shevonne

print("{} loves {}".format(jimmy, jimmy.loves))