A UK woman has been sharing words of gratitude on Twitter after two teenage boys, whom she didn’t know at the time, helped her out of a dicey situation that occurred during a public train ride. Mary McLennan, 21, had just boarded a train alone at Manchester Piccadilly station in the north of England when a male passenger got a little too close for comfort. “This older man came on to the basically empty train and sat on the chairs next to me, took his shoes and socks off and lay down,” McLennan explained to the Mirror. Seeming friendly at first, the man then told McLennan he had noticed her walking through Manchester and thought she looked good. “At this point I was starting to think that he had followed me,” she recalled. After McLennan revealed that she was a model, the man’s line of questioning turned personal. “[H]e asked …