Overreacting or understandable?

Shelby

My son was born at 29.4 weeks and turns a week old tomorrow. To be held he is only allowed to be held skin to skin in kangaroo care and it can only be for an hour before he has to be put back in the incubator. I've only held him twice and my fiancé has only held him once. Today without even asking me my fiancé let his mom hold our son. This has had me upset all day. Am I overreacting? Or is it understandable that I am not ready for other people to hold him?