Hi There,
I just wanted to say you're not alone, were 16weeks into placement now with 4yo DS (it's gone SO quick!) & I have felt exactly now you describe. I've felt low & like a pretty useless mummy! Like you say especially when the shouting happens! For me I just feel I personally overreact too much at times, which is something I have recognised & is improving slowly but surely.
Like it has been mentioned I wished I had a crystal ball, it didn't matter how many times people kept saying "it will get better, trust me", I just couldn't believe it! 16 weeks in & I can definitely say I am very much starting to feel a lot of love for DS now. Whether its "unconditional" yet- I don't know? (Possibly not if I need to question it). But I do know I enjoy being around him now, I don't look at him with the same resentment, & it doesn't terrify me to think about the future now, something I couldn't bare before & made me worry even more! The constant clock watching has almost completely gone & I just take each day as it comes.
Like the others have said, it did help me when I almost kicked my bum into gear to try & force myself into doing things I previously enjoyed. Like you I put on weight, stopped eating healthy & barely exercised. This happened to be something I loved, I forced myself back into it & I feel so so much better for doing so. A little bit of time to yourself doing what you enjoy (if possible?) can do you the world of good.
I was fortune as I have a very close family who I just talked, talked & talked at. They didn't always agree with me, nor did I listen half of the time, but they are there, & fully understand how I'm feeling. Likewise friends & our SW. Please do not worry about approaching SW, I have countless times, she has been a god send, I've told her exactly how I've felt thought the whole placement so far & she has been very understanding.
Please be kind to yourself, if like me, don't panic about the "feeling of love" not being there, or the "what if it doesn't?" As I certainly found that made me worse. You're doing a brilliant job I'm sure, just take each day as it comes :-)
The lovely mums on this site have been so so nice & helpful to me it helps a lot
Take care x