Three’s a crowd. The boyfriend of Ben Affleck ‘s ex-wife, Jennifer Garner , is less than thrilled the “Argo” director has time on his hands now that Jennifer Lopez is divorcing him because John Miller doesn’t want to share his leading lady. Affleck was famously married to the “13 Going on 30” actress, both 52, from 2004 until they announced their split in 2015.

They didn’t file for divorce until 2017. Despite the breakup, Affleck and Garner have remained close for their three children: Violet, 18, Seraphina, 15, and Samuel, 12. Garner has been by Affleck’s side for everything from his alcohol recovery to his recent split from Lopez.

The actor was with Garner hours before Lopez filed for divorce on Tuesday, August 20 — the anniversary of Bennifer 2.0’s second wedding ceremony, because the “Let’s Get Loud” singer reportedly wanted it to “sting.” “John doesn’t like sharing Jen and there is a divide when it comes to her and Ben,” a source told Daily Mail on Thursday.

While Miller isn’t fearful that the exes’ connection will spark up again, the insider claimed he struggles with how much energy Garner gives Affleck. “He wishes it wasn’t like that because he understands they are a family, but it gets to him like it would anyone,” the source continued. “John doesn’t have any fears that they are getting back together – but it has been tough coping with her support for Ben during his split from JLo.

” Miller is reportedly “lookin.