Lexie was pissed off at Mark for calling her a 'fake blonde', and as she was walking away with her charts and papers after Jackson said "damn" she was rushing to walk away from them, until.

When she was at the hallway she accidentally bumped into you, You were Izzie's new intern for about three weeks now, Lexie dropped her stuff and before you fell backwards she catched you with both her hands

"Oh-..i-..sorry."