You sure will ~!!!!!!!!!

You sound very much like my mothers group friend, who had to return to work. She was not ready either... but had no choice. She got him into care... and would phone every hour. It took her weeks to calm down. In the mean time, her son was loving it. She's fine now. And she enjoys the 'break'.

it's really hard, but try to find some positives out of it.
And I'm sure that with a few days of 'me time' you will love dropping him off to care.