Jasper loved watching Alice's visions unfold when they didn't mean danger to their family or friends. He loved seeing that look on her face when she saw something that she could do to help and then went out and did it. Some people might have visions and never follow them through, but not Alice.
He took a seat on the stool next to hers, draping an arm casually around her waist to make their relationship clear to all. He knew that a lot of humans came to bars to find a partner for the night or more, and he wanted to avoid any confusion. Alice was definitely off limits.