Number of reasons. Maybe you love her, she's a great person, you want her in your life, nothing wrong with her but maybe the sex is boring. Here's the truth; most men cheat for self validation. It's stupid, but it's surely a catalyst for cheating. Sex and love are NOT the same Sex can be meaningless and great. Love cannot be meaningless for it to be real.
Depends on what they are. I can't really judge too much seeing as I have face tats.
I don't like getting triggered by people
"Triggering" is a cop-out for the psychologically weak. Untuck your nuts and realize that most MFs that try to trigger you is because they suck dick with their butts and you don't. Think that's Proverbs or Psalms...not sure.
Have you ever failed a class due to turning in your work late all the time or for other reasons?