He gave his all thinking it would lead to more he always gave more effort than most. Trying to make something out of nothing. He admired her but she was hot and cold. Feeling overwhelmed staying away. He hated hiding his feelings but he didn't feel valued or respect.
It should be equal but it's always with terms and conditions. It just got old he'd  walk away do his own thing. He use to open up buy others made it seem like he was trying too hard or feeling sorry for himself.