I noticed that Mike was worried about something. I asked him what the matter is was the matter the matter was is the matter. He said he be invited had been invited is invited has been invited for tea to his girlfriend's place and he will be going to had been going to is going to was going to meet her parents. Mike said he won't know hasn't known didn't know doesn't know how to behave and what to talk about. I advised him that he acts act if he acted to act naturally. He told me that each time he will make made has been making is making an effort to act naturally it will never end never ends has never ended had never ended well.