Can I trust my own heart?

a.k.a rabbi - A podcast by Rabbi Gavriel Goldfeder - Sundays

You hear people saying "well, my heart tells me to trust her" or "my heart says that he's the one" and "listen to your heart" - why? Who says the heart is so trustworthy that we can actually block out all that other information and simply tune in to what the heart says? And who says tuning into what the heart says is simply, anyway?