Not sure what to think but our neighbors are having a dinner party and we got an invite. Now we have said hi and bye in passing around our housing addition but this is the first invite since we bought our house back in 2012.  So I guess I'm just nervous because they are more consertive then us.  We are a bit nervous to accept but at the same time don't won't them to be upset if we decline. Help I'm not sure what to do.