I agree 125% with you but deal with contacts as you do with boiling water, if you not careful, harmless thing may hurt you .
I had two cases , both very good guys , who after obtaining my Line started bombarding me with multiple messages a day. " how are you ? ' , ' did you eat already ?' , "I miss you " etc which fast become annoying beyond measure.
To put it mildly , it did not help their case as I stopped answering and when there, I try to avoid one at any cost and lost my hots for another entirely.