Crossword Puzzle Painful instant for Trigger

Clue: Painful instant for Trigger

Instant replay format (SLOMO with 5 letters)
What best-selling 2004 young adult novel was written entirely in the form of instant messages? (TTYL with 4 letters)
Painfully forthright (BLUNT with 5 letters)
Painful feeling (e.g. ACHE with 4 letters)
Painful yearning (ACHE with 4 letters)
Painful throb (ACHE with 4 letters)
Painful suffix (ACHE with 4 letters)
It's dull and painful (ACHE with 4 letters)
Was painful (e.g. ACHED with 5 letters)
More painful (e.g. ACHIER with 6 letters)