Mark Lester Says Jackson Was 'Anxious About Sex'

Mark Lester

talked about his possible paternity of the daughter of

Michael Jackson

to the "Today" show this morning.

He told Matt Lauer that he has "no idea" if he is Paris Jackson's biological father, but that it is a possibility. He says Jackson "wanted kids but was anxious about sex," adding the singer was "shy when it came to women."

Additionally, he says "Michael confided in me that he found it very difficult to do the sexual act."

Related stories: Mark Lester Tells ET: 'I'm Horrified by all the Reports'  The Secret Michael Jackson Witness