My situation was quiet similar to u but things had not gone upto that extent.my parents found a guy thru matrimonials...the family came n everything was fixed,I askd for some time to think as his behaviour was suspicious,when I enquired abt him thru confidential sources,he was found to be rangeen mizaj,I told my parents & they stood by me & called it off while othr family was planing for engagement
My situation was quiet