I am a (hopefully) soon-to-be PhD graduate, and by the time I graduate I should have 4 papers, 3 of them with only me as the only author and another one in collaboration with other people. I recently had an idea that I want to turn in a paper, and I am quite confident that I can do that on my own, maybe with some advice from the supervisor but I already have a quite clear idea of what I need to do in mind. My question is: can this be counterproductive?
I'll try to explain myself. If I end up with 4 out of 5 papers with me as the single author, I fear I'll be seen as someone who cannot collaborate with people, while in truth it just happened that I managed to prove most of the results I was interested in essentially by myself. Is this fear reasonable or am I worrying too much? How do you suggest me to proceed?