I definitely believe that it is necessary to be honest with yourself and with your partner.

the second "with" is a little redundant

Such people can greatly offend others, but sometimes it can be just a very touchy personthough some people are just touchy. :) What else do I like?

It wasn't totally clear what "it" was referring to here, I had to change around a lot of the statement to clear it up. The emoticon change isn't important, I just made it more "English" haha)

I like in a good waypeople who are daring and cocky young peoplein a good way.

"I like in a good way" implies they way you like them is good. I assumed you meant that the way they are "cocky and daring" is good

Sometimes a person's appearance does not meet generally accepted standards, but this person is so charismatic that one simply falls in love with himselfthem.

OTo me, one of the most important human qualities for mein a person is honesty.

I think that "being honest" and "being straightforward" are very similar ideas at first glance, but they do have a significant difference.

Your original sentence is fine, but I added some stylistic changes :)

When a person is straightforward, this mayight mean that he is not interested in telling the truth, but instead he just says what he thinks.

Such peopleactions can greatly offend others people, but sometimes itother people can be just abe very touchy person). What else do I like?

I like in a good way daring and cocky young people.

"In a good way" is unnecessary here.

Sometimes a person's appearance does non't meet generally accepted beauty standards, but the person iscould be so charismatic that one simply falls in love with himselfthem.

When I find out aboutlearn of people who weare ahead of their time and created something very cool cool things, it really inspires and impresses me.

I think that "being honest" and "being straightforward" are very similar at first glance, but they havere is a difference.

When aA person who is straightforward, this may mean that he is not may not be interested in the truth,; he just says what he thinks.

I think your last comma should be a ; . I smoothed out the sentence a bit but yours was not incorrect.

Such people can greatly offend others, (but sometimes it can be just athe offended person just might be very touchy person)). What else do I like?

As written, it is confusing because it sounds like the offender is also touchy.

I like in a good wayyoung people who are daring and cocky young peoplein a good way.

Sometimes a person's appearance does not meet generally accepted standards, but that person is so charismatic that one simply falls in love with himself.

"fall in love with himself" does not mean falling in love with someone else, but with the "self".