answer:It happens to be the case that what we’re least comfortable with frightens us. The more practice you have with a thing, the more experience you have, the more easy it is to deal with that thing. Sounds like you have an agism issue, so, your solution is to dive in. Take this opportunity to get to know people of this sort more. Gain experience. Jump in. Make mistakes. Find solutions. Learn and grow. The benefit in working with this client won’t be the money you make, it will be the experience you gain.