at 26... the chap maturity is a key consideration. In terms of emotionally and career wise. How prepared is he to cope the social pressure?
Also, u need to get to know his folks better. If you have a understanding MIL, then its good. Else, its going to be a tough one with relatives always referring to you as the 'old woman'.
Marrying at 35, conceiving could possibly be an issue too. If you guys intend to have kids. You might want to see a doc to check on your fertility and suitability for kids ahead of marriage plans. Basically, don't just base on love. Think through and align all your plans.