I've found it's best to get a playful, fun mood ASAP. That will relax anyone quickly.
To initiate this, try doing things like role-play (I find a great one is (I think this comes from Style?) a marriage between her and I)
Eg, I was watching a holiday programme and the Caribbean came up
Quote:
Me - Wow, this holiday in the Caribbean looks amazing.
HB - I've always wanted to go to the Caribbean
Me - Well... When we get married and we're both super rich, we can go for our honeymoon
HB - I want a more... adventurous honeymoon! That can be a general holiday before we have kids
And so on. We went on about pets that we'd have, planning our house and lives etc.
That ORRRR do ESP. If you can, and they have one, get their webcam up before hand. Lets you see their reaction and can neg them on smiling (It'll make them keep on smiling)
Hope it helps.