From unknown to friends

Lets go back 3 years I was quite new to facebook and use to send reqst to anyone whom the fb suggest one day my frnd suggested a girls id on fb I took it light after 3 days I was just sitting n surfing the fb... I saw that girl in my wall so I sent her the reqst she accepted my reqst by mistake I use to chat with her she became my gud frnd n slowly she became my sister...and thn I asked her any girls id r numbr she suggested me her best frnds id from day one I use to flirt with her on day to shee blocked me deep silence...later she unblockd me a frnd of her said to her that all flirters are not bad thanks to that great frnd of her we use to chat less coz she use to ignore me coz I use to flirt alot with her slowly slowly we became friends...