Hey @Mazarita,
Ooooh you have opened a can of worms here - this has been a pet subject of mine for years as I am not a terribly moptivated person - well at least not in the classic sense - and I have read a LOT of things and tried them all out over the years.
So there will be a LOT of info. Probably over a couple of posts!
First things first. In pop-psychology there is a huge emphasis on making goals to move towards - however that fails to uitlise two other very strong moptivation patterns, namely move away from and move against. Everyone has preferences or 'natural' leanings to which motivation style works best for them, and it can vary depending on your current state, and the context, so narrowly focusing on just one way can leave you short.
So waht is the difference?
Imagine for a moment you are standing in the middle of a large room, next to me. I f I say "Move 3 paces away from me" you have a full 360 degree range of possibilities to choose form, you could go in any direction and achive the objective.
If instead I say "Take three steps towards any door" your directional choices will be more limited. And if I say "Take 3 steps towards the nearest door" your direction is even more clear.
This is the big difference between move away goals and move towards goals, moving towards is much more focused and can stop you from a lot of needless meandering.
It's the difference between saying "I want to stop being so lazy" and saying "I want to walk 10000 steps a day" - in the first example you could have almost infinite ways of "not being lazy" in the second, the action you need to take is very clear. It is understandable that move towards goals became very popular.
However if you are naturally someone who prefers to operate from a 'move away' perspective the problem is that walking 10000 steps per day is not nearly as compelling as 'not being lazy' so the danger is that you won't take the steps and will continue to think about "not being lazy", or get distracted by one of the many other ways you could define "not being lazy" and so scatter your efforts about till there is not much to show for it, then you might get discouraged.
The other downside to "move away" is that you have to get kind of close to the thing you want to avoid in the first place. and you can end up drifting back there until you cross the threshold and notice that once again you are too close.
So a good strategy is to get a "propulsion sytem" whereby you identify both what you are moving away from AND what you are moving towards and link those things together - and it is really important that what you are moving towards is genuinely compelling. A lot of times we try to take on 'should' goals that we feel like we 'should' achieve, but which we aren't personally engaged with - or maybe we have a preconceived idea of how to go about it that just dioesn't work for us, instead of being open to other ideas that might work better.
To be successful it is more effective to make sure that what you are moving towards is something you personally truly want, somethiong you feel really congruent about, something that you feel compelled by, and that the move towards goal works with your move away from goal, and that you don't get too rigid about how to get from A to B.... or rather P to D (next post is aboput that).
Oh I almost forgot - move against, also known as the "Eff you!" factor. That's the one where you are highly motivated to prove someone or something wrong, to push back against on a limitation that has been imposed. It's a little related to being competetive and can be a powerful motivator!