My friend is struggling pretty badly but I'm just too lazy to help.
Why do you feel that you are too lazy to help your friend out?
I just don't have the energy or motivation to want to help them. It's not like it's my problem.
Feeling like you aren't in a position to help a friend is understandable but just being too lazy to is a problem. You should ask your friend what type of support they need and figure out what you can do. That way you can show that you still care while respecting your own energy levels.
I just don't have the energy to want to do all of that.
If you know a way to help your friend but do not want to do it, then this is kind of messed up. If you feel that you do not have the energy, than maybe try helping your friend in another way. If you are saying that they need to help themselves, and you helping them is only enabling them, then make whatever choice you feel is best in the situation.