It's good to help out pregnant people.
Keith's wife Lily is pregnant and tells him she wants to mail letters to her siblings.
Keith wants to respond to Lily.
Keith tells her that he can buy her letter supplies and then mail them for her.
Keith tells her she should go and get letter supplies since it's her siblings she wants to mail letters to.
Lily will be thankful that Keith is her husband.
Lily will think that Keith is unhelpful and doesn't care about family.