Hello Mossie: I'm sorry I don't think your dilemma is one I can be of help with. However I noticed this is your first post here on PC. So... welcome to Psych Central.

The only thing it occurs to me to observe is that perhaps, if you feel you can, simply talking this through with the guy you're interested in may help to break the ice, so to speak. Communication is a vital part of any romantic relationship. Developing communications skills can perhaps be of help with the problem you're experiencing now. But it will also be useful in whatever future relationships you have.

Here are links to 5 articles, from Psych Central's archives, on the subject of communications within relationships. Perhaps some of the suggestions in these articles can be of some help:

10 Reasons You Can't Say How You Feel

Communication Pitfalls & Pointers for Couples; Psych Central

Topics You Must Regularly Discuss as a Couple

Tips for Talking About Tough Topics

5 Ways to Prepare for a Difficult Conversation

I hope you find PC to be of benefit.