He always has a kiss for mother (3)
I believe the answer is:
max
'he always' is the definition.
The definition suggests a singular noun which matches the answer.
'a kiss for mother' is the wordplay.
'a kiss' becomes 'x' (X can represent a kiss).
'for' says to put letters next to each other (I've seen this in other clues).
'mother' becomes 'ma' (ma can mean mother).
'x' after 'ma' is 'MAX'.
'has' is the link.
Can you help me to learn more?
(Another definition for max that I've seen is " The greatest".)