(37F) I gave a BJ to my neighour and im filled with regret now... idk what to do

Im a married housewife and recently i started talking to a guy(22m) in the neighborhood, i was just bored sitting at home and wanted to make some friends.. we exchanged numbers and we talked a lot over text and calls when my husband wasnt home.. today i invited him to my house for a cup of tea.. one thing let to another and we kissed and i ended up giving him a BJ.. the moment he came him my mouth i felt soo bad for cheating on my husband i screamed at him and asked him to leave.. hes been texting me and calling me since he left.. idk what to do

this is my new account.. i cant post this on my original one as my husband follows me there