INFP + INFP RELATIONSHIP = NO.
I went on one date with 2 different INFPs... One of them was into MBTI and was so delighted to tell me we were both INFPs. Then he proceeded to tell me that I could be the "man" in the relationship. Uh, what? I am sorry I did not sign up to pee standing up in this relationship. The other guy... I felt like I was on a date with my brother. (And I am an only child.)

This was my experience with an INFP date....I felt like his big sis. It didn't help that I was a few years older (and in your 20s that makes a difference).
Hey INFPs. Imagine you are a leader and you have to decide the destiny of a serial killer. He killed more than 30 people and he had pleasure doing that.
Life sentence in prison, solitary confinement. Human life is more valuable than whatever cost that requires. I don't believe in the death penalty either; IMO, it's not another person's right to decide if another human lives or not, and the government is just people, after all. Plus, the risk of putting an innocent person to death for a crime they did not commit is not one that should be taken, IMO.
1) Are you cognizant and accepting of what you really want? Moreso than FJs?
I can't compare myself to FJs. I'm not in their heads. I am very aware of what I want. I accept it in the sense that I don't do self-denial much, but that doesn't mean I act on what I want. I differentiate between emotional desire, rationally determined needs, and what I've deemed morally acceptable. Emotional desires don't override the other two.
2) Have you ever had issues with guilt and/or shame?
Honestly....not that much. I'm such a "think before I act" kind that even when I go against what I think is ultimately right, I've already justified so much that I can never regret it.
If I've had shame, then it's the kind born out of social awkwardness, feeling deficient in some way, often because I can't relate to others. On a few occasions when I've blown my top & it was uncalled for, then I felt shame for being so petty, but not any long lasting, lingering kind. I just apologize & move on.
3) How hesitant are you about voicing your opinions? Why?
I'm not that hesitant, but not that forthcoming. I weigh my own purpose for voicing it & what affect it will likely have. If it will be nothing but disruptive, then why bother? If it's disruptive but has some potential benefit, then I may take that chance. I can be quite outspoken & blunt at times, not afraid to be the voice of dissent. I've actually mellowed with age, realizing the whole "there's a time & a place" adage is true, and that you can disagree without seeming hostile.
4) Do you desire to win the approval of others?
No....in fact, I think little about it. This strikes me as very so instinctual subtype though (after browsing the recent "you know you're an so" thread - some foreign stuff in there!). I'm a 4w5 sp/sx, and very much an independent, lone wolf type. My motivation has always been meeting my own potential, my own needs, and asserting my uniqueness. What other people think tends to be bottom rung. I think the last time such thoughts plagued me was middle school.....
Do you connect to other people with ease?
Do you act/express how you feel about others without awkwardness?
No, I don't connect easily with others. Exactly the opposite....my whole life I felt alienated from others, unable to connect or relate. I know now that I can connect, but it's special & unusual for me.
I have a very hard time expressing my feelings about other people. Family complains I never say "I love you" or much of anything in that way. My INFJ has noted this also, & he has to prod me to get feedback on how I feel about him & the relationship. I feel incredible vulnerable & awkward to express how I feel. Every word that exists to express such feelings suddenly will seem cheap & shallow, not adequate to express exactly what I feel, and I'd rather stay quiet than come off cheesy or cliche or in some way that is not true to what I feel.