Ted meets Robin and falls instantly and completely head over heels in love with her. She is determined that she is not looking for a serious relationship. He courts her, eventually persuades her go out with him and they break up. She then falls in love with Ted's best friend, Barney a notorious womaniser. He falls in love with her. They marry. All along Ted carries a torch for Robin, until at Robin's wedding he meets Tracy.
Robin is the great romantic love of Ted's life. Tracy is his soulmate.
SPOILERS
Robin is the great romantic love of Ted's life. Tracy is his soulmate.