No problem can be solved with the same level of consciousness which created it. A person vibrates with a certain level of vibrational frequency and what he desires to accomplish, vibrates at a different level of frequency. He can only accomplish his goal when he raises his vibrations more than that of his goal. the golden rules for ascension, raising of consciousness, raising of vibration are ~ 1. ShivYog Sadhna 2. Seva 3. Sankirtan
The Universe, God, Guru, parents, always keep giving us selflessly. Imagine if we don't feel grateful for what we already have received, what makes us think we would be happy with more? Develop the attitude of gratitude. The attitude of gratitude is one step further towards materialization. Attitude of gratitude is a way of ShivYog.
To achieve unconditional love, do no judge anyone. Accept everyone the way they are. Just as you accept the different flavour of different fruits, appreciate the unique personality in every human being.