went to a baby shower on Sat and ate warmed deli meat

My husband said I should have called him and he would have brought me something. I went to a shower and all they had was a yummy salad made out of romaine lettuce so u passed due just being considered safe to eat again in the USA, deli cold chicken wrap filled with romaine lettuce and warmed panini filled with ham and cheese. I felt the warm panini was safe but my husband is nervous since the ham probably wasn’t cooked separately to burn the risk of listeria. The panini was bite sized and I only had one. Please tell me he is crazy over nothing. It was my best friends baby shower and she ate everything, doesn’t modify her eating.