Paranoid question: is it possible someone can see you through your phone?

I was on the phone four hours ago with a guy i never met, and he hinted that he could see me through my phone. while talking to him, I was looking at my feet and just messing around with my toes, and then he mentioned something about my feet....and then said "how he had a webcam" ....am i being paranoid? is this a coincidence? should I feel this way? HELP. ( i find it ironic how he knows what I was doing,........)