well boyzone really started just as TT were winding down, i mean when did they start? i think i first remember them when they did love me for a reason, in 1995 at smash hits poll winners.. which was about 6 months before tt split up. So if you weren't really old enough to have been with TT from the beginning then you would have been a boyzone girl. Boyzone were certainly good though, but i would say take that had a big fan base, and them splitting up was bigger news, they were certainly the most successful of all the boybands.
When i was at school it was really 'are you a take that or east 17 girl' boyzone didn't really factor into anything.. so i'm assuming you are a couple of years younger than me.
One thing i have to say is, boybands today are NOTHING compared to boybands of the 90's... there isn't even anything that compares to boyzone or take that.. you could claim westlife do.. but really? no... westlife are pap.