One of the components of dating is the way people socialize, and manners are an important part of how people act when with others. For those who believe common courtesies are important, knowing they are expected is something they should let their partner know. While not all people are raised with the same sets of manners, there are general categories in which the two should be able to find a basis for compatibility. Those who are unable to do that will find their relationship might never get off the ground.
It might seem old-fashioned to some these days, but opening doors for a lady has long been a courtesy expected in many societies. Women are quite capable of doing this chore on their own, but it has long been seen as a sign of respect to do it for them. This is probably one area where a couple choosing to date in an old-fashioned manner can find common ground.
It might appear to some that table manners would go without saying, but there are always a few people in each generation raised without them. It shows respect for a date to pass the bread basket when asked rather than lofting it across the table, but being able to explain this to a date can be a challenge. It might be just that the other person was raised in a boisterous atmosphere, and they should not be dropped for just one incident.
Finding common ground is what dating is all about, so each person should work hard to find ways to accommodate their partner. For them it is a matter of choice, but it could become a challenge for each of them to hold on to their own courtesies while making their partner feel comfortable as the two journey through the world of dating.