While drumbeats have been sounding recently that PEOPLE's 2015 World's Most Beautiful Woman Sandra Bullock might be adding to her brood, she insists she is more than content to just be a mom to her 5-year-old son, Louis, for now.
"Oh, those drumbeats. I've always said that I could have a house full of kids," she tells PEOPLE in this week's cover story. "But at this time the only kids in my house, other than Louis, are the ones whose parents want them back at the end of the playdate. But if these drumbeaters know something that I don't, I'd appreciate a heads-up on the details so I can pick up some supplies. I'm wickedly unprepared if Louis is getting a sibling this week."
Not that Louis alone hasn't already filled her life with joy. The actress says "it's an honor" to be his mother and that the relationship between the two makes her feel most beautiful. "Louis asks asks me some serious questions, and I'm really honest with him on a level he can handle. It's a beautiful thing," she says. "I want him to be a good man who is good to women and is really in touch with how he feels."
Whether or not more kids are in her future, the Minions star says family "are people you choose to have in your life. There are so many variations of families out there that are perfect," Bullock adds. "My family looks nothing like I ever imagined it would. It's better than I ever imagined."
Bullock cherishes her "tribe," which include close friends and family – especially the females. "If you are struggling, the women in my life descend like paratroopers en masse and will not leave your side until they know you are standing on your own two feet again," she explains. "No judgment, just support."
So what qualities does she find most beautiful in women? "The same qualities I find beautiful in a man – vulnerability and honesty. Kindness is the most important, and the ability to laugh at yourself," Bullock adds. "The most beautiful woman in the world is the one who protects and supports other women."
For more of Bullock's exclusive interview – in which she opens up about family and her life as a mom – pick up the latest special issue of PEOPLE, on newsstands Friday