Olympic diver Tom Daley said it was "love at first sight" when he met his now-partner.
The 19-year-old, who revealed he was in a relationship with a man for the first time this week, also explained that keeping his sexuality under wraps had felt like "a dirty little secret".
Daley told ITV's Jonathan Ross Show, which will be televised on Saturday, that he had made the first move and was not sure if his now-partner was even gay.
Speaking for the first time since he released a video on Monday where he announced that he was in a relationship with "a guy", Daley said:
Read: Tom Daley: My life changed when I met boyfriend
Daley - who was a mentor on ITV celebrity diving show Splash! earlier this year - said his new partner helped him rekindle his interest in training competitively once again.
Daley said it was a tough decision to speak out about his private life, but he feels liberated by doing so and has been encouraged by the support he has received.
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He also told the Jonathan Ross Show, which will be screen at 10.45pm on Saturday, that other people in a similar situation should confide in someone.
Daley also told Ross he did not want to put a label on his sexuality.
Watch: Gareth Thomas says Daley's message was powerful and inspirational
Daley will return to Splash! in the New Year, which will feature Ross's broadcaster brother Paul among the contestants.