you talked about haerls. what are they -- healers. what are they able to do? could they help them? >> one of the women we profile employs something called tantra, an ancient indian practice. >> heard of it. you've been to india. the other woman does something interest. she's called a surrogate partner. so she has a therapeutic practice where she will actually have sex with her clients. and it sounds sensational. it sounds like sex work. but there's no entertainment value to it. and i think we have so much shame and guilt around sex, and as the other coach said, it -- has an effect on everything, every aspect of your life. that's a nugget of what the first episode is about. >> tune in. tune in. tune in. lisa ling, thank you. >> thank you. >> not to tease -- season four premiere, "this is life with lisa ling." please watch sunday night, 10:00 eastern and pacific only here on cnn.