Whenever I really get to know another person I find that they, like me, have fears which trouble them even if they are not particularly "rational" fears.
I think it is always good to sit with these fears and take note of them and to know that they are just that: fears. They are not predictions based on solid information, often. Often they are "ghosts", unresolved and often not very well examined quasi-beliefs... that we will be abandoned, that others will not and cannot know and understand us, accept us, embrace us in our inevitable differences....
Fears transform or die in the good bright light of day, unless they are based on some reality. Example: I fear running out into traffic suddenly. Why shouldn't I?