Do you tell people that you stutter?

Do you tell people that you stutter? I know that every person who stutters have a slightly different one. For me I sometimes get stuck on certain consonants like P, D or M. So sometimes to people it sounds like I talk normally but then get stuck on a certain letter and they kinda don't understand what's going on. I get very anxious about that and not sure what to tell them. Sometimes it happens pretty often, especially if I am nervous and they can clearly hear that something is wrong. Some people told me that if I tell people it will be easier for me as I will take that extra pressure off and now they won't have to wonder what's going on and I will have to think less about what people are gonna think of me. Sometimes I go on dates with girls and I wonder if I should tell them if they notice something. Will it make the situation less tense or will it only ruin it?