feeling really low right now I can't seem to do anything right and just when I could do with more…

feeling really low right now I can't seem to do anything right and just when I could do with more help of my partner he gets given more hours at work for the next 4 weeks.my son breaks up from school on Friday I was hoping to get some special family days in why he's off for summer holidays but that seems to be going wrong aswell. i feel iv got so much to get done round the house I don't think I will have everything I need for when my princess is here. really seems like I'm failing. is this just me or my pregnancys hurmones kicking in once again 😧😣