Thongs won't give you a std.
You get used to it
No- they ride up on you and give you a wedgie.
No
an std
No
From experience yes i would have to say that thongs are better than boxers they are so much more comfortable and give you extreme support
yes. just look like they'd give you a terrible wedgy
Ask her.
NOTICE
Most STD's are caused by Bacteria. To give a few examples: Syphilis, Gonorrhea, Chlamydia... (etc)
One lifestyle that can give you cancer is getting the STD called HPV.
No she is somebody who does not wear thongs