One mistake didn't put your relationship in the situation it is now. One more wont kill it. Just take it as a lesson learned. It will get easier as you have more experience. Breathe. You can do this.

Hang in there.

W 34 Me 42
Married 7 years together 8
0 kids 1 beloved dog
BD 4/6/2018
I moved out 4/7/2018
I moved back in alone 8/05/2018
I file 3/06/2019
D official 5/7/2019