The love that God has shown to Humanity is found not only in the harmony, complexity, and beauty of all of creation, but the biggest sign of love He has ever shown was to give up Himself as a sacrifice to pay for the price of sin, which is death. You see, the love that God gave to us was expressed through Jesus in a physical (His scourged and crucified body) and spiritual (He became sin) form. Unfortunately, people in this world have a free will to either obey God or to do what they want to do, which will most likely be sin. So it is only natural to expect that even your own family or any one else for that matter (since they are human beings) to treat you in two different ways; love or lack of love. But this in NO way interferes with the love that God has shown you. In that He offered Himself as a sacrifice and if you confess your sins to Him He is just and righteous to forgive you of your sins. But you see, people only think of God's forgiveness as the only gift of love we will receive from Him, but they're wrong. If you believe in Jesus, and have made Him your savior and Lord we are co-heirs with Him, and He has authority over it all because He is Lord and all was made through Him and for Him. If you believe in Him He has given you eternal life, and once your soul leaves this body you will be with Him for all eternity and there will be no more sin or sadness or suffering, but everlasting peace, love and joy in His presence. This world is only a facade of what reality is. This world was never meant to have death in it, that is why when one of our loved ones die we can't get used to it, but it hurts deeply. Creation mourns for the day that He will come to make everything new.
We receive the love of God spiritually through Jesus because He frees your spirit from the wages of sin, and once you walk in the love of God which is to follow what His word says and listen to the Holy Spirit convict you then you will start to physically experience the love of God, though most of the time it doesn't manifest itself in something physical that you can hear or see, but rather in an overwhelming peace in your being to know that through every situation you have God who created you, who has forgiven you, and who has called you His own for all of eternity. To know that there is nothing we can lose, because we have won it all through Him. The love of God is something He's waiting to give to you, and He is just waiting for you to understand it and ask for it. Confess your sins, turn away from them because they lead to death and they go against God's love, ask Him to cleanse you, deny yourself, and follow Him.
God Bless you!