How do you break up with a girlfriend? Speak plainly and clearly. Keep it short, no need to go to much into the reasons apart from 'it's not working out'. Then

How do you break up with a girlfriend? Speak plainly and clearly. Keep it short, no need to go to much into the reasons apart from 'it's not working out'. Then sit through the 'buts' and 'whys'. I'm not sure how it works with the vested shares, if you owe him any compensation. Perhaps you can/should offer him some cash, since he did put in 5 months?