Thumbs up Equus.. Well I have to admit, I didn't read any of your other questions because once I saw this one, frankly I didn't need to.
First of all, your friends dad is way out of line here. I am guessing that since your 'boyfriend' is in college, that makes your age somewhere between 18 & 22. Then I'll take another guess that the friends dad is somewhere between 38 & 44. If, at somewhere between your late 30's and early to mid 40's, your not mature enough as a man to reach for anything beside your daughter's friends as a mate, I am certainly going to question your integrity. Enough said about him.
Let's move on to the boyfriend. He is in college, is level headed enough to finish school so that he can provide for himself and a spouse.
And there's you. You haven't even developed enough patience to wait for your boyfriend while he accomplishes the task at hand. In addition to that, you begin a romantic encounter with your friends dad. You crossed at least two lines right there. My advice to you is to grow up, go to college yourself and develop your own maturity before marrying anyone. You aren't ready.
PS... The BS about neither of them being able to live without you? Don't count on it. If you keep playing this game with two people's hearts, you'll end up alone....so work on that degree!