Hello, hoping I can find some answers or people who have been in same boat.

My first time experiencing anxiety/sadness was 6 years ago started around November one day I was suddenly shaking super hot sweating heart aches and crying for no apparent reason it lasted a long time about 6-8 months before I started to have more good days than bad. After 8 months I never felt that way again until 3 weeks ago. It all started when I got a puppy ( which I have now rehomed ). 2 days after getting the puppy I started to experience the urge to cry for no apparent reason and overthinking everything that wasn’t even worrying me. It’s been like this since then, reminds me a lot of 6 years ago but not as bad, but still sucks to feel like this. I now have 2 children and some days are harder than others but I manage to pull through. I just miss how I felt 1 month ago completely happy all day. I also want to mention it comes and goes through out the day I’m not upset all day, it’s like a random switch.. on/off. Will this pass? 🥺