Romantic words with love hearts, say, inspiring love (5,8)
I believe the answer is:
sweet nothings
'romantic words' is the definition.
(I've seen this before)
'say inspiring love' is the wordplay.
'say' becomes 'sweets' (I am not sure about this - if you are sure you should believe this answer much more).
'inspiring' indicates putting letters inside.
'love' becomes 'nothing' (love means zero in tennis).
'sweets' placed around 'nothing' is 'SWEET NOTHINGS'.
'with love hearts' is the link.
I am not very happy about this link. Some or all of it may belong to another bit of the clue.
Can you help me to learn more?
(Other definitions for sweet nothings that I've seen before include "Amorous burble" , "I would love to say these" , "stuff for Valentine cards" , "Whispered endearments" , "whispered words of affection" .)