Many = 99%
If so, disclaimer is not necessary
Human nature are
1) Girls like attention
2) They like to be pampered
3) They are young and like to have fun when still can
4) Some guys can impress them so much that it is hard for them to resist.
5) Nowadays, loyalty, faithfulness is not worthy..
The above mentioned are not meant to be exhaustive.
So, take it easy...