Ultimately, its best not to commit to a relationship with someone until you feel attracted to the person completely. That said, its totally OK to date and see if connection and physical chemistry grow.

Is it normal to be unsure at the start of a relationship?

Some people experience relationship anxiety during the start of a relationship, before they know their partner has an equal interest in them. Or, they might be unsure if they even want a relationship. But these feelings can also come up in committed, long-term relationships.