Answer:

dwellon

Answer	Crossword Clue
DWELLON	Linger over
DWELLON	Obsess over
DWELLON	Ponder over

DWELLON	Be obsessed with
DWELLON	Ponder over excessively
DWELLON	Overemphasize
DWELLON	Linger over in thought, speech or writing: 2 wds.
DWELLON	Talk about repeatedly
DWELLON	Not leave alone
DWELLON	Not get over
DWELLON	Refuse to let go of

DWELLON	Mention too much