Crossword Genius

A loving union, but we may get cold by weekend (7)

Ross

I believe the answer is:

wedlock

I'm a little stuck... Click here to teach me more about this clue!

'a loving union' is the definition.
'wedlock' can be an answer for 'union' (synonyms). I am not certain of the 'a loving' bit.

'we may get cold by weekend' is the wordplay.
I cannot really understand how this works, but
'we' is found in the answer.
an anagram of 'cold' is 'dloc' which is within the answer.
'weekend' could be 'k' (I've seen this in other clues) and 'k' is found within the answer.
This accounts for all the letters.
This explanation may well be incorrect...

'but' acts as a link.

Can you help me to learn more?

(Other definitions for wedlock that I've seen before include "The married state - throw away the key" , "Marital state" , "Matrimony" , "State of marriage" , "A state of union" .)

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