When you are using the word dad to refer to a specific person, it's standing in place of their name, and thus, like their name, would be capitalized.
When you're talking about dads in.
The latter is almost certainly the intended sense here— amy says she slept with sean as a euphemism for sex, but to sean the sex was forgettable;
Her actually sleeping on top of him is.
Invite has been in use as a colloquial form of invitation since at least the mid-seventeenth century.
There's nothing wrong with it in the right place, but in formal contexts such as a printed card.
Me and my wife or my wife and me i keep seeing that it's just courtesy to put yourself last in a list of nouns.
They went to the game with s
The main difference between lying and not using a comma in thanks, john, in your analogy, is that lying is a deliberate act of deception that often has negative consequences for the person.