1867; see heart (n.) in figurative sense of "inmost feelings."
he took me aside for a little heart-to-heart
a heart-to-heart talk
heartless
heart-rending
heartsick
heart-strings
heart-throb
heart-to-heart
heart-warming
heart-wood
hearty
heat
heated
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}