get some sleep, think about this when you are rested and feeling better.
this idiot is ruining your self esteem and wrecking your life further and he's not even physically present. you've got to stop analyzing him...he's NOT worth your time...he very surely could have given you HIV...
he has no respect for anything except his habit....sorry, i agree with your parents on this one.
when you realize this, you will be glad you dodged a bullet. you need to think about yourself and your parents. they really know the truth, they aren't stupid. they don't HAVE to support you or give you $$ for grad school...you could take out a loan, get a job and not live under their roof or health insurance.
time to pull yourself together, get better both physically and mentally. good night. I have to get up for work tomorrow.