I know how you feel Marci. When I first got Simon he was with me ALL the time, he even went to work with me in grad school. It wasn't until he was over 1 that I got this job and had to leave him (he had Hallie by then but still). It is really much harder on you than Layla. It is quite exhausting but they are so good at adapting to new schedules. Layla knows you are her mommy and that you love her very much! It's tough but you will both adjust. When you do spend time with her make sure it's good quality time, which I know you do.
And if all else fails, Simon said he would take her