I've been in boxing since I was 16 years old and i've been asked to compete professionally but I didn't want to, anyway I know this might sound wiered but if someone is even joking around with me but has a serious face like they want to fight me, i almost breakdown..especially if it's someone I don't know and he wants to fight me out of pure insecurity, I know i can beat them up but when it comes to violence it's just not me, well I know I'm not going to be able to avoid confrantation in the future because thats just who I am, but how do I toughen up my feelings and not let things like that get to me so easily? Any help will be much appreciated.

Ignore them, if they touch you defend yourself.

Come around by their side, place a hand on their shoulder and just be like, "Anything wrong?" An alpha male doesn't have to confront, he can show friendliness in a dominant way. It depends with which weapon you work with: Psychology or brawn.

Doing that is pretty much asking the guy to punch you.

Keep your cool, until they touch you then its fair game ?

Hmm, I saw that whole thing play a different way in my mind :/ guess you're right.

fighting is a big problem.
the best advice i can give you is to avoid fights, they bring you problems.
if you win you might hurt the guy so he could go to the lawyer.
if you loose you hurt yourself.
it's hard if someone is disrispectfull, it's hard to don't fight.
but if u are a boxer u can seriously hurt a guy or even kill.
if you have grappling skill is better because u can control the damage that u give

Or maybe a submission move may work better than causing damage.

I usually wait till they make the first physical offensive move (note: pushing you isnt one, you cant use the excuse of "he pushed me i had to defend myself" to the cops), I wait till he takes a swing, dodge and beat the crap out of him.
But it's best that you avoid fights, it's immature if you literally look for every opportunity to fight. However, if you only fight to defend yourself, then it's an alpha gesture.

@ natedizzle

You asked how you could toughen up your feelings. I saw Season 1 Ep 3 with Mystery teaching Pradeep and Joe about proximity. He demonstrated how it felt to have someone right in front of you and in your face, and then how that feeling left when the person was no longer there.

Practice that with someone if possible. Although the guys there were OK with each other, they still felt threatened by the face-to-face situation.

Learn to control your reactions, such as not blinking a lot. A very dominate female relative of mine told me constant blinking was an example of feeling fear.

The same way your words will help you with women, they can also help you with men. There is power in words. Being quick with your mind can be as helpful as being a boxer quick on your feet.

Take that last bit of advice from a dude who has Colonel Sander's secret sauce coursing through his veins. bawk! bawk! bawk!

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"You can't win, but there are alternatives to fighting." - Obi Wan Kenobi, Star Wars