Ariba, 24, applying for Masters in Public Health: "I remember the first time it happened... I was super new to the subway- commuting to Hunter College in the city. And I saw this old man, who looks so sweet, and he said, 'Can I sit next to you?' And I said 'Sure'. He sat down next to me- mind you the whole train was empty. I thought, he looks so sweet and he was old. He said, 'Can ask your question?' I said 'Yes.' He said, 'Who invited you?'... I didn’t understand. I was so shocked. And then I didn’t or couldn't say anything! It bugged me for months and months. Why didn’t I say anything? I don’t know, still… “