it should be recognized that this is just a sociology study and not serious scientific observation. it comes from a group identified as having a certain socio-political agenda. in some ways it is intended to be helpful to youngsters, but it should not be interpreted as reflecting anything serious about the scientific origins of same-sex attraction. what individuals when they are older may say about memories or 'feelings' they had when they were younger is not science, but is interesting anecdote.
One student killed, three wounded at Arizona campus during fight (a)
from the article: New study sheds light on coming-out in Israeli society