How to be a blessing

Some days it gets to be difficult to find the blessings.
And sometimes it gets difficult to be a blessing.
Sometimes it seems that everything is working AGAINST finding or being a blessing. But I guess that's when its more important to try to be a blessing.
As we approach Easter Sunday, I'm thinking about the atmosphere of that first Holy Week. Jesus was blessed on Palm Sunday with adulation from the crowds. He was blessed to spend Passover with his friends. He was blessed to have a personal, meaningful relationship with the Lord.
But then he was betrayed and the community turned against him. 
And he focused on being a blessing.
He fed his disciples and served them, even the one that betrayed him.
He healed the guard whose ear had been cut off while arresting him in the garden.
He blessed the men hanging with him.
While hanging on the cross, about to die, he thought of his mother and his good friend and told them to take care of each other.
Basically, he cared for others, even when they no longer showed evidence of caring for him.

It can take a lot of courage to be a blessing. 
It can take a lot of strength to be a blessing.
Do I have the strength or courage to be a blessing? Can I look past other's actions and attitudes and be a blessing? Does it matter if I think they deserve to be blessed? 
When I am thinking clearly, I understand that is better for my mental health and well being to focus on being a blessing to others. I also understand that it doesn't matter whether or not they deserve it! Each of us is better served when we point our actions and thoughts in a positive, uplifting direction. 
Can I direct my life towards being a blessing?