Cheryl and Liam Payne may not have been a couple since 2018, but there’s one thing that still binds them – their love for their six-year-old son Bear. The former couple have been determined to co-parent and have an amicable relationship, but it’s been a testing time for them both, following Liam’s struggles with addiction.The 29-year-old singer recently spent nearly 100 days at a rehab facility in Louisiana after guidance from Cheryl, and insiders say she’ll never give up on him as she wants Bear to have the best dad possible.“Cheryl has watched Liam struggle so much over the years and knows how quickly things can turn bad – it breaks her heart,” an insider tells heat.“She’s been worried about Bear not having his dad around and is determined to do everything to make sure that doesn’t happen.