> I don't usually touch, taste or smell my friends either.
It would be very out of the ordinary to not touch or smell your friends quite frequently.
While some people prefer not to, hugging, patting on the back, nudging, passing objects back and forth, and even less common things like holding hands or touching each others' hair are very common social interactions.
Smelling just happens passively when you're spending time with biological creatures who have perfumed clothing, armpits, and hair, and sweat to boot (among other less desirable odors). This isn't necessarily a great thing but experiencing the biology of other human beings is personally important to me.
To not taste things with / alongside your friends would also be out of the ordinary.