So my modem is reporting attainable speed as 88Mb/s down and 30Mb/s up, but the fastest package O2 will offer me is 50Mb/s down 5Mb/s up Are they underselling? That's unusual. ISPs usually do the opposite.
So there are 15 year olds on Twitter proudly proclaiming they are 15 posting porn and engaging in role play. I don't care, but you are really dumb for advertising your age like that.