"For a year, I had all sorts of weirdos coming on to me"

Boris Becker's quote is likely referring to the year he invested as an expert tennis gamer. Throughout this time, he was most likely exposed to a range of people, some of whom might have been extremely friendly or even unsuitable. This might have remained in the kind of fans, other players, or perhaps individuals in the media. It is most likely that Becker felt overwhelmed by the attention he was getting and discovered it difficult to handle. He may have felt unpleasant and even unsafe in specific scenarios. This quote is a reminder that even stars can experience unwanted attention which it is very important to be knowledgeable about one's borders and to take steps to secure oneself.