If he tells you he’d do anything for his ex wife, is it a red flag?

I recently started dating a man with kids. On our date he mentioned he’d do anything for his ex wife as long as it wasn’t to his detriment. Am I reading too much into this or is it a red flag? Kinda got me worried about taking second place

If he tells you he’d do anything for his ex wife, is it a red flag?
Post Opinion