Seems like you're working through your issues very well...congrats!
Just wanted to chime in and agree that I don't think there's a "normal time period." That might be a bit unsettling except for you realized that not being perfect right off the bat is OK.
Me - male, 42, poly, straight, in a serious relationship with Audrey, also casually dating.
Audrey - female, 20, poly, pansexual, also casually dating.