"A matter of difference", of the difference that the other person is too far away or the differencies the couple's got~
"matter of growing, knowing true feelings, showing", probably, you learn the other person, you show your real feelings, you grow, not in age but in "heart"~
"when my heart is open, my mind is open to find, i can't let you stay", well, the other person has to leave from where his/her lover stays
"A matter of difference", of the difference that the other person is too far away or the differencies the couple's got~ "matter of growing, knowing true feelings, showing", probably, you learn the other person, you show your real feelings, you grow, not in age but in "heart"~ "when my heart is open, my mind is open to find, i can't let you stay", well, the other person has to leave from where his/her lover stays