Hello Mike,
It's been over a year and if you feel this is the lady for you then I think delaying it longer could actually be detrimental and make it harder. Your daughter needs to know how important she is to you yes, but she also needs to learn about your feelings too. I would say though, do not do it because you are being pressured by your girlfriend either, this needs to be what you feel is right. When you decide to do the meeting I would choose a mutual ground, perhaps an outing and see how it goes. Good luck!
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Pegasus
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