Hearing God's Voice

So, I was trying to decide which of the two mission trips to go on.  And I really wanted to be able to talk to Joey and Anissa Haywood, since it was their blog originally that connected me to First Love and I knew that they were talking about going on a trip again this summer.  Over the holidays I knew they would be around to visit family (they live in Wisconsin) but it just didn't work out that we could meet up-they were busy the whole time they were here. 
Then, on the last Sunday of the year, WCC didn't have services.  So late Saturday night I was trying to figure out where I should go to church the next day and I decided to go to Christ Covenant, kind of out of the blue.  I hadn't gone to a service there in probably 6 years but I got up that morning and went and sat with my friend Cassidy.  The pastor came up to speak and mentioned that he wanted to call special attention to Joey who was there at church that day as a guest, even though the family he would have come with was home sick.  And I looked over to my left and realized that sitting there was Joey Haywood.  Who I had been hoping and praying to meet up with for weeks!  I was able to speak to him a little bit about the trip.  I kind of thought, hey that's cool, but my friend Cassidy (who I would consider to be on my cabinet, more on that later) pointed out how I had just happened to come to CCC that day, and the pastor just happened to mention Joey as a special guest, and I just happened to be sitting in a place where I could see that it was him.  Cassidy doesn't believe things just happen.  Maybe this was God's way of telling me to go with First Love?
I will admit I have a hard time hearing God's voice.  I never know if I'm hearing Him, or me.  A couple of friends and I were discussing it and someone suggested that it was harder for an introvert to hear God's voice because we have voices going on in our heads all of the time.  She said that as an extrovert she didn't have that problem because whatever she thought just came out her mouth and there was never a voice inside her head.  So if she heard a voice, it had to be God!  And maybe that's it, I have too many voices in there to hear the true one.
Or, I like this idea I just read about in the Love Does book by Bob Goff :

"God doesn't speak to me with a voice to make audio needles move, but there are times when I've sensed something down deep, almost like a tuning fork has just been pinged in my soul. . . .you know those things that have pinged you? Those gifts that are beautiful?  Those countries and people who are most important to you?  The God you love?  Keep moving toward those. . . . add your whole life, your loves, your passions, and your interests together with what God said He wants us to be about, and that's your answer."

He also says "When I don't know the answer to where I am or what God wants me to be doing, which is often, I try to get a bearing on at least a couple of fixed points that I can trust.  One is Jesus. . . The other fixed point I use is a group of people I feel God has dropped into my life, kind of like a cabinet.  These people have their particular areas of wisdom and experience, and I use them to bounce ideas off of and get their input.

So maybe God pinged my soul for Africa (and the Dominican Republic?).  And who wouldn't want to meet this little guy:

That's Luche holding a photo of me and my family after I wrote him his first letter