Robert Pattinson used to pretend he was a drug dealer. The ‘Batman’ actor was keen to impress the “cool kids” when he was at school so even though he had no idea what narcotics “looked like”, he created his own powder doused in cleaning products, which he hid inside floppy discs and claimed he was importing illegally. He said: “I haven’t thought about this in years, but during secondary school my first proper-ish kind of girlfriend was a few years above me, and I always wanted to hang out with the cool kids, who were in the oldest year. “And some of us decided that I’d pretend that I was impor…