I felt relief because I could see their happiness at the wedding March!

When I prepare to get a job , I would takes classes to obtain certifications like OPIc, TOEIC.

I didn't care whether I went to academy alone or with friends. 
I am a outgoing person.
I can get on like a house on a fire with everyone. JAKE, THIS SENTENCE IS CONFUSING

If I want to concentrate on study, I study alone.
If someone studies with me, I cannot focus.
I will chat with them.
It is helpful to gather information when I want to discuss a specific subject.
I think both cases would be good.

I our study habits are similar. I have to write the material on paper.
I love to draw mind map because they motivate my brain and help me to remember material contents.

I've noticed that you asked me about wedding march.

My best friend smiled like a idiot during his wedding.
I teased him a little bit, but he looked like he was on the top of the world.

Guests give the couples money to celebrate their meaning.