am I exaggerating or .....

so my husband and I have been together for a little over 5 years, we even have a son and are currently trying for baby number two. he had asked me if I was hungry I carried on with saying yes and we went to eat — while we get to the place, I see the waiter look at my husband from head to toe and smile so big. I thought nothing of it cause I really was not a “jealous” type. so we sat down and she came to take our order she was all being nice to my husband and I asked her about some food item so she told me all rudely that everything is on the menu, again thought nothing of it. we eat and she’s checking up on my husband and his food like if I wasn’t next to him, not gonna lie the food was good. so we finish and it’s about time for us to leave, she brings us the check and my husband leaves a $20 TIP and a thank you 10/10 and on his signature a smiley face on the receipt he needs to sign but the thing that is throwing me off is that my husband has encountered girls who are “flirty” and has shut them down so quick, and they were good looking too! I got so upset and myself esteem when so down, and I know I shouldn’t let it phase me but I don’t know it hurt and sit hurts i don’t know how to express myself about it or if I’m just exaggerating a bit or if that’s a sign I should watch out for .... help please.