Not necessarily but I imagine that's where most people's minds would wander.
She always spends all her time at Bowser's castle because of her always being kidnapped, plus bowser's a king. They have a lot more in common and spend a lot more time together than her and Mario.
Bowser Jr. actually refers to Peach as "mama Peach" in Super Mario Sunshine.
[Edited by moderator Latiosmaster47, 10/6/2009 8:05:03 AM]