Jennifer Garner and her ex-husband Ben Affleck have been co-parenting their three children since their separation. Recently, Affleck was seen hanging out with Garner's boyfriend, John Miller, who shares two kids with his ex-wife. Despite their complicated family situations, Garner and Miller have a special relationship and have been on-and-off since 2018. They recently rekindled their romance and are reportedly happier than ever. Miller reportedly even wants Affleck's blessing before proposing to Garner. The couples seem to respect each other's boundaries, as demonstrated by Affleck's friendly interaction with Miller.

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