Jennifer Garner loves parenting her "super chill" son.

Jennifer and her husband Ben Affleck raise three children together; daughters Violet, six, and Seraphina, three, and six-month-old Samuel.

Samuel is always on Jennifer's arm, as he can't get enough of his mother's love.

"[Samuel is] super chill and go-with-the-flow, but a total mama's boy," a source told Us Weekly.

Although Jennifer adores her daughters, she feels a special bond with her little man.

The pair are often seen out having a good time together.

"Samuel's at an age where he is starting to do more," the source detailed.

"He has been so much fun for her and such a different experience from the girls."

The star is known for her down-to-earth nature and can often be seen out and about enjoying quality time with her entire brood.

However, she admits that she struggled to adjust to motherhood after her first daughter was born.

"I also floundered so much in the beginning. Now I just have crazy, crazy baby love," she told USA Today recently. "My husband says that I'm different with him [my son], but I think I've always been crazy about babies. But he thinks that. What does he know?"