Resolved Question

How do i tell him of my previous relationship?

This question highlights the fact that "human relationships are very tricky things"!

Everyone these days should be aware that they may not be the first to enter into a relationship with whoever they are going with; so it should not be a highly traumatic or contentious thing to find that this is so - but there will be those to whom it will be.

You have to ask yourself the following questions:
(1) Has your partner / datee ASKED about this, or not? If not, and they are not interested, perhaps they don't need to know. If ever they want to know, be honest with them, but brief; give further details only if asked. You have a right to have had relationships with someone else, found that they didn't suit, and dropped the relationship.
(2) If the partner does want to know about your other relationships, assess their emotional stability and likely ability to cope gracefully with the information; then tailor your reply to that; but I would say, keep it honest; then you can't be "bowled out" at a later stage.

My only other comment is that I think that someone who is over-sensitive about your previous relationship(s) is perhaps not a good match for you. Everyone should understand that its natural to "try out" a relationship or two to see if they will work for you, because you really can't tell until you've lived a while with a person, what they're like. If your proposed partner can't deal with that in a mature maner, I would say there's likely a fair risk of trouble arising at some time. I believe that a couple who love one another sincerely will be able to be honest with each other and not throw too many 'wobblies'. But of course, being "provocative" would be a silly thing to do, even if you think its funny!