Emmerdale S33 E134 Episode 3760 (Fri 4th June 2004)

Although Simon has been avoiding her Nicola is convinced that he's about to propose. When she spots a ring box in his van Simon tells her it's cufflinks he's borrowed from Paddy. When Simon goes round to see Nicola to speak have it out with her he realises that she's expecting him to propose so he makes his excuses and leaves.