If the dog is chasing cats in the backyard, it doesn't go in the backyard alone. If you can't control the dog without a lead, it has a lead on.
Remember that these are temporary measures and things WILL change.
It will not be like this for ever if you take charge with realistic targets in mind.

I got your email and will reply in more detail.....soon, I promise! I will do my best to get back to you tomorrow.