TTT01 HaPpY Birthday!

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Across
  1. 5. When renting love, it's usually helpful to throw in a U-turn (12)
  2. 6. The name of the new selfless DIY is confusing (5)
  3. 8. It's a crazy sin to defer a whole decade of decisions and call it a sport! (5, 6)
  4. 9. Robot exits exploding space rocket because if this is missing, may as well give it a miss (9)
  5. 11. Good denim trousers, we hear, emit lots of energy (5)
  6. 14. Celebrate the famous route today! (5-3)
  7. 15. Slight tremor ascending makes you fit? (4, 8)
  8. 16. Contemporary compass; I be?; lift weights on a bench: all in halves guarantees a partially abbreviated long read (3, 2, 5)
  9. 18. Someone's at the door? Must be the good luck we ordered (8, 2, 4)
Down
  1. 1. Young raging Ned creates havoc, but with a little TLC, grows up (9)
  2. 2. Kids came, and thus so did a man in drag. Quite chaotic! (7)
  3. 3. In an awkward situation? Sounds like you're going to cry! Never mind, just get some exercise! (9)
  4. 4. Overheard in the capital city: "No need to bother now with Ken or a soul!" (6)
  5. 7. Whether it is! When you take her out, be careful not to hurt her heart. Then ask why~that's hearsay (6)
  6. 10. To change the game, take its plug out and go! (8, 4)
  7. 12. When maths is left out, these remain to learn and enjoy (7, 7)
  8. 13. Happiness unbounded to the world, especially the equatorial areas (3)
  9. 16. A dog in England does this job (6)
  10. 17. A: What's my mobile doing with all those bags? B: They'll help it uh, sound just like a musical instrument! (9)