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BE PROUD OF YOUR BATTLE SCARS
Mollen had no qualms when it came to showing off her "post op chic" scars following the birth of son Lazlo.
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IT'S NEVER TOO EARLY TO BECOME A STYLE ICON
Mollen and Biggs' newborn son Lazlo sported heart-shaped sunglasses like his older brother Sid — much to their mom and dad's approval.
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DREAM UP FUN GAMES
"Should I be concerned that my son's favorite game to play with us is Custody Battle?" Mollen asked, sharing a pic of herself and husband Biggs holding their son over the bed.
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BE SUPPORTIVE (LITERALLY)
Sid needed a hand (or two) in the bathroom, according to Mollen. "Remember when you used to demand your mom hold your head while you pooped?" wrote Mollen. "Me neither."
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MAKE YOUR PREGNANCY ANNOUNCEMENT EXTRA MEMORABLE
Mollen and Biggs are way too chill to announce the impending arrival of a second baby in a sweet or super-emotional way. Instead, the couple shared their big baby news with the aid of a NoseFrida snot sucker.
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SHOW YOUR BABY BUMP TO EVERYONE
So much so that you consider a naked post-shower photo shoot with your adorable toddler completely normal.
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BREASTFEED EVERYWHERE AND ANYWHERE
"I hope I don't get pulled over and get a DWB (Driving While Breastfeeding)," wrote Biggs, captioning a pic of his wife feeding their son, Sid, in the car.
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PLAY TRICKS ON YOUR KID
Biggs and Mollen practically encourage it. "Tried convincing Sid that my body had disappeared forever and I was only going to be a head from now on," the American Pie actor recounted on Instagram. "Parenting is fun!"
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ALWAYS SAY YES TO SPA DAY
Parenting is hard, and sometimes (read: most of the time) all you need in life are pedis with your best bro.
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KEEP IN MIND: YOUR KIDS MIGHT NOT ALWAYS RESPECT YOU
Sid kept it real when Mollen asked if he respected her as a woman on International Women's Day. His answer? "No."
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COMFORT IS ALWAYS KEY
Your child's version of what's considered comfortable, that is.
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WHEN IN DOUBT, GO AS ELMO FOR HALLOWEEN
Elmo is always a winning choice. Always.
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SCHOOL DROP-OFFS ARE BASICALLY AN OLYMPIC EVENT
Snowstorm + Monday morning = the ultimate test.
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COORDINATE MATCHING FAMILY OUTFITS AS OFTEN AS YOU CAN
Quick! Before they start developing their own fashion sense.
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YOUR CHILD WILL MAKE THE BIGGEST EFFORT TO STAY UP ON NEW YEAR'S EVE
Spoiler: they will most likely fail ... hilariously and adorably. "When Sid asked for a rum and coke, maybe I should have said no," Mollen wrote on Instagram.