switch fields…

                        in                divide        usually

                                    choose

                           one                 or         other

                                        to             play

                            on             field            of

                                     life

                         guest           or         host

                        receive          or          give

                     parasite must             then give

                   host   must                       then       receive

                                   then       finish

                                       the   game

                      get           off               the

                                               field

                                                    back       to

                                    one                 team

                                               of

                                                      Love