If he did how would that manifest, if he does or when he doesn't?
Recent examples, current needs. He listened when I shared the type of support I needed. He then demonstrated his support further, through his actions. When he says he's going to do something, he does. Being honest and reliable equates to trust. That includes when he tells me I'm losing him in conversation details! I'd rather hear it straight than him pretend otherwise.
He was asking about my work. Sharing various aspects, he responded I ought to be in a leadership role and nudges me consistently to consider what's next or what I can achieve. Most of the time it feels wonderful to have him believe in and encourage me. Sometimes that can also be tiring and I tell him so. He takes that in his stride, agreeing with a chuckle that he's tiring to himself at times, too. Knowing he has my best interests in mind doesn't necessarily mean I'll agree or that he's correct, but it does mean I trust his intention.
The physical affection, various touches, loving and lustful, being and feeling desired, and sharing in that desire with him is important to me. It's in the way he offers to scrub my back in the bath tub, the eye contact he keeps when we're together, rubbing my feet while we're on the couch together, to the more sexual erotic touch. The way he initiates and responds to me, body language and flirtation.
There's the responsibilities of life and he looks out for us, shares in planning, pragmatics, and fun. We might have opposing approaches and occasionally there's mutual frustration but we manage to figure it out.
He pays attention to know what I'm currently interested in, sharing articles, music, suggesting or making arrangements. Heck I even like when he's ordered a drink on my behalf while we're out. I don't have a consistent drink, it's whatever has caught my attention that week (so really he can't go wrong) but still, he pays attention! There's also a respect and encouragement he demonstrates towards my interests / hobbies.
As simple and obvious as it sounds with being married, I appreciate and value that he includes me. When he first became a volunteer fire fighter, it was a small but heart-warming thing to have members of the brigade already know me by name, introduce themselves and help me feel welcome. While that's his path, it's thanks to his actions that I feel a part of this and included. He doesn't just share, he includes me, while still having his own thing going on.
He makes me a cup of tea in bed on the weekend.....!
Knowing what speaks to your wife (to each other), what is suited to your personality and who you are in the dynamic of the relationship is what matters.