I have had to leave behind the people who were draining me, pulling me down. Yes, there was some guilt, but I would have felt greater guilt had I allowed them to continue holding me away from my dreams.
Sometimes you may feel the path you have chosen is a lonely one. It is better to be lonely and journeying towards an end goal, then to be part of a group that is without an aim, as you hurtle down the passage of time rapidly towards your death.
The mind is your garden. Tend to it well and it will yield a harvest of the most celebrated flowers.