New Guinea pig owners

[Spotsbeforemyeyes]

We bought 3 lovely pigs from PAH last weekend. They're very nervous. We were told they're about 16 weeks old.
Dd's have held them once, I've held them every other day since day 2.

How long and what do we have to do to help them be less terrified of us and friendly?

We're giving them fresh fruit and veg twice a day and nuggets once. Is this ok?

I’ve just tied the corners of the cage together with ribbon - it’s much sturdier now, quieter and looks pretty!

These are my 2 adorable 'Grandpigs' Rocket and Quill. Rocket, the shirt haired boar on the left is about 8 weeks younger than Quill.

They live with DD but when she visits for longer than a day or two they travel up with her and have their own cage here.
I have great fun making fleeces and buying bits for them. DD is always trying to persuade me to adopt a pair of my own.

To add, when I built that cage DD laughed and told me they would never go up that ramp. Rocket, true to his name, hurtled up it within seconds of being put in there, Quill wasn't far behind him.