Cryptic crossword No 2,672

Across

1. Young person starts to gather intelligence regarding lifestyle (4)
2. End of pen smears clubs (8)
3. Always checking social media's constant swaggering (9)
4. Fast group of ships (5)
5. Audibly reduce set exercise (6)
6. Reportedly fall head over heels for paragon (5)
7. Disorganised cook leaves melted dark chocolate in church (9)
8. Measure class (6)
9. Cats welcoming a ride at first in boxes? (8)
10. Musical is OK (8)
11. Benefit from Japanese wine (4)
12. Dissection of American alliance? Gosh! (7)
13. Making a mistake about a piece of jewellery (7)
14. Row of fellows in a monotonous routine tackling government (8)

Down

1. Letters from one Roman emperor (4)
2. Wife got older in employment (5)
3. Without support, need wound treated (9)
4. Adorning venerable man meeting Charlie (monarch) (9)
5. Quiet ruling is significant for the future (8)
6. Writer is holding a bunch of flowers? (7)
7. Archaism could be impressive quality (8)
8. Opening of Great Dane’s Danish port (6)
9. Spy cracked clue in small part of compound (8)
10. Sly miser worked in a negligent manner (8)
11. Brief trespass in gardens overlooked (7)
12. Turn casing of lead a yellowish colour (4)
13. Bird beginning to fly, a small distance (5)
14. I say stick last of criminals in northern accommodation (6)