[lily and mignon]

I am so scared .I am taking lilly in this morning to get her spayed.I know its the right thing to do but i feel bad that she's got to stay their .she is so scared of other dogs .She was scared of mignon for wk. but now she loves him . lilly loves people but is scared to death of other dogs .And now she's got to stay their over night with barking dogs. do yall think she will be ok