Sep 30, 2007, 7:00 GMT
Jesse Metcalfe sent Nadine Coyle four love letters a week in a bid to win her back.
The 'Desperate Housewives' actor - who rekindled his romance with the Girls Aloud singer earlier this month - was so determined to win her back he showered her with romantic messages.
A source told Britain's More magazine: "He bombarded her with romantic texts, flowers, phone calls and sometimes up to four love letters a week."
Jesse - who recently completed a stint in rehab for alcohol addiction - has also convinced Nadine, who now resides in Los Angeles, he is a changed man.
The source added: "He has given up his partying. I think Jesse knows he is a huge flirt and was a nightmare when he drank. He really wants to make things work this time.
"They're doing their best to avoid being in public together, so they are just spending quality time relaxing at Jesse's home. They both love cooking and are just catching up."
However, Nadine's family - who recently moved from Northern Ireland to Los Angeles - are said to be unhappy about the reconciliation.
An insider said: "Jesse used to spend a lot of time with her family before they broke up, but now she's hardly seen her family since she got back.
"He wants to make it up to Nadine's family too but I think he knows it's going to take time. I don't think Nadine wants them to see each other until they have ironed out their problems."
The couple originally split in April after claims Jesse had cheated.
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