First time asking for relationship advice online, so bear with me.I have been with my gf for about 5 years. We both still live at home with parents while going to college. Over 5 years, we have had very happy moments, but also some bad moments.One thing about her that has always driven me nuts is that she is ALWAYS late to everything. I mean like a daily thing. If we planned to see friends at 3pm, she wont be ready till 6pm.It also extends to doing things on time. For example, this is the 3rd year in a row she did not give me a gift for on my bday, saying she has it ready but she'll give it to me later. Well, its been about 2 months since. Another example is this past Saturday, we we're supposed to dress up for Halloween and meet friends for a night out at 5pm, yet she wasn't ready until 9pm, at which time my friends were all long gone.I realize some people just make a habit of being late, but it's been 5 years and I am not joking when I say this happens every other ti...