The bassist said now that is son is 10 months old, he has been able to spend more time with him and enjoy the thrill of being a new father, People.com reported Saturday.
"The best part for me now is that I think for the first nine months mom is so essential," Wentz told People magazine. "When they start hanging out with dad more you're like, 'Wow I feel like a dad.' You go to music class and do fun stuff together, it's cool."
Wentz, 30, said starting a family with his wife, "Melrose Place" actress Ashlee Simpson-Wentz, 25, has also resulted in a new outlook regarding his own childhood.
"It makes me realize all of the little things that my dad sacrificed when he had me," Wentz told People. "It's sad it took 30 years but I totally realize it now."